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path: root/winsup/cygwin/syscalls.cc
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* * fhandler.h (fhandler_base::ftruncate): Define new virtual method.Corinna Vinschen2005-02-021-30/+5
| | | | | | | | (fhandler_disk_file::ftruncate): Ditto. * fhandler.cc (fhandler_base::ftruncate): New method. * fhandler_disk_file.cc (fhandler_disk_file::ftruncate): Ditto. * syscalls.cc (ftruncate64): Move functionality into fhandlers. Call fhandler method from here.
* * syscalls.cc (setpriority): Implement PRIO_PGRP, PRIO_USER andCorinna Vinschen2005-01-261-10/+116
| | | | | | setting priority in other Cygwin processes. (getpriority): Implement PRIO_PGRP, PRIO_USER and getting nice value from other processes.
* * cygwin.din: Export getpriority and setpriority.Corinna Vinschen2005-01-251-32/+27
| | | | | | | | | | | | | | | | | | | | | | * fork.cc (fork_parent): Copy parent's nice value into child. * spawn.cc (spawn_guts): Ditto. * miscfuncs.cc (winprio_to_nice): New function. (nice_to_winprio): Ditto. * pinfo.cc (pinfo_init): If parent is not a Cygwin process, set default nice value according to current Win32 priority class. * pinfo.h (class _pinfo): Add nice member. * syscalls.cc (setpriority): New function, only implementing PRIO_PROCESS for now. (getpriority): Ditto. (nice): Just call setpriority. * wincap.h (wincaps::has_extended_priority_class): New element. * wincap.cc: Implement above element throughout. * winsup.h: Add prototypes for winprio_to_nice and nice_to_winprio. * include/limits.h (NZERO): New define. * include/cygwin/types.h (id_t): New datatype. * include/cygwin/version.h: Bump API minor version. * include/sys/resource.h: Add PRIO_XXX defines and prototypes for getpriority and setpriority.
* * pinfo.cc (pinfo::exit): Don't assume that this == myself.Christopher Faylor2005-01-121-1/+1
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* 2005-01-08 Pierre Humblet <pierre.humblet@ieee.org>Pierre Humblet2005-01-081-16/+13
| | | | | * syscalls.cc (seteuid32): Only change the default dacl when seteuid succeeds. Do not close HKCU.
* * syscalls.cc (rename): Fix behaviour in case of renaming directoriesCorinna Vinschen2005-01-061-11/+63
| | | | according to SUSv3.
* * syscalls.cc (setmode): Call _fwalk with _GLOBAL_REENT.Corinna Vinschen2005-01-031-2/+3
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* * cygwin.din: Add utmpx symbols.Corinna Vinschen2004-12-151-3/+68
| | | | | | | | | | | | | | | | | | | * syscalls.cc: Include utmpx.h. Implement utmpx functions as stubs to utmp functions. (copy_ut_to_utx): New static function. (pututline): Change from void to struct utmp * as on Linux. (setutxent): New function. (endutxent): New function. (getutxent): New function. (getutxid): New function. (getutxline): New function. (pututxline): New function. * include/utmpx.h: New file. * include/cygwin/utmp.h: New file. * include/cygwin/version.h: Bump API minor number. * include/sys/utmp.h: Include cygwin/utmp.h. Move stuff common with utmpx functionality there. (pututline): Declare struct utmp *.
* * syscalls.cc (truncate64): Don't second-guess errno if open fails.Christopher Faylor2004-12-011-3/+1
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* * child_info.h (child_info_spawn::hexec_proc): Eliminate.Christopher Faylor2004-11-261-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dcrt0.cc (dll_crt0_0): Remove hexec_proc stuff. * fork.cc (fork_child): Remove call to pinfo_fixup_after_fork. * pinfo.cc (set_myself): Close and zero pid_handle if set. (pinfo_fixup_after_fork): Delete. (proc_waiter): Don't close vchild.hProcess here. Do that when we are remove the vchild from procs. Save hProcess as pid_handle only on first reparent operation. (pinfo::wait): Don't set pid_handle here. (pinfo::alert_parent): Always try to send signal. If unsuccessful then close and zero wr_proc_pipe. * pinfo.h (pinfo::pinfo): Make sure that appropriate parts of the class are zeroed on construction. (pinfo::alert_parent): Take char argument. (pinfo_fixup_after_fork): Delete declaration. (hexec_proc): Ditto. * sigproc.cc (remove_proc): Close pid_handle and hProcess if appropriate. * spawn.cc (spawn_guts): Set cygheap->pid_handle on first exec. * cygheap.h (init_cygheap::pid_handle): New element. * pinfo.cc (set_myself): Clear previously existing cygheap->pid_handle when a new process has been started. (pinfo::wait): Make sure that a handle to the newly forked/spawned process is kept around so that the pid will not be reused. * pinfo.h (_pinfo::pid_handle): Move. (pinfo::pid_handle): to here. * spawn.cc (spawn_guts): Create a pid_handle in cygheap prior to spawning to ensure that the pid does not get reused during the lifetime of the "cygwin pid". * pinfo.h (pinfo::alert_parent): New function. * exceptions.cc (sig_handle_tty_stop): Use alert_parent to send "signals" to parent. * fork.cc (fork_parent): Don't close pi.hProcess. Let the waiter thread do that. * pinfo.cc (proc_waiter): Detect case where process exits without setting the exit code and use value from GetExitCodeProcess. Reluctantly implement __SIGREPARENT. (pinfo::alert_parent): Define. * sigproc.h (__SIGREPARENT): New enum. * spawn.cc (spawn_guts): Send reparent signal to parent on exec. Always create process in suspended state to avoid races. Remove cygthread.h in favor of cygtls.h throughout since cygtls now includes cygthread.h. Eliminate ppid_handle usage throughout. * child_info.h: Regenerate magic number (child_info): Remove pppid_handle. * cygthread.h (cygthread::release): New method. Frees thread without waiting. * cygthread.cc (cygthread::stub): Set _ctinfo in _mytls to point to information for executing thread. Don't call SetEvent if thread is no longer in use. (cygthread::simplestub): Ditto. * cygtls.h (_cygtls::_ctinfo): New element contains pointer to information about executing cygthread, if any. * dcrt0.cc: Remove last vestiges of per_thread stuff. (dll_crt0_0): Ditto. Remove accommodation for ppid_handle. (do_exit): Remove obsolete reparenting test. (_exit): Exit with a more SUSv3-like exit value. * dtable.cc (dtable::stdio_init): Check for myself->cygstarted rather than myself->ppid_handle to see if we were started by a cygwin process. * exceptions.cc (open_stackdumpfile): Ditto. (handle_exceptions): Ditto. (ctrl_c_handler): Ditto. (sig_handle_tty_stop): Ditto. Let parent send signal to itself on STOP. (sigpacket::process): Comment out vfork test. (signal_exit): Use more SUSv3-like exit value on signal. * external.cc (fillout_pinfo): Don't set hProcess. * fork.cc: Remove VFORK cruft. (per_thread::set): Delete. (fork_child): Remove perthread stuff. (fork_parent): Remove obsolete subproc_init. Accommodate new method for tracking subprocesses. * pinfo.cc (set_myself): Accommodate new pinfo/_pinfo layout. Set some things here that used to be set in wait_sig. (_pinfo::exit): Set exitcode here. Close process pipe. (_pinfo::commune_send): Accommodeate new pinfo/_pinfo layout. (proc_waiter): New function. Waits, in a thread for subprocess to go away. (pinfo::wait): New function. Initialization for proc_waiter. * pinfo.h (_pinfo::exitcode): New element. (_pinfo::cygstarted): Ditto. (_pinfo::wr_proc_pipe): Ditto. (_pinfo::ppid_handle): Delete. (_pinfo::hProcess): Delete. (_pinfo::lock): Delete. (pinfo::hProcess): New element. (pinfo::lock): Ditto. (pinfo::wait): Declare new function. (pinfo::preserve): Define new function. * sigproc.cc: Remove old stuff from wait_subproc thread based method. (zombies): Remove. (procs): New. (my_parent_is_alive): Just check that the parent pid exists. (mychild): Just use pinfo methods to determine if child is mine. (proc_subproc): Revamp PROC_ADDCHILD to use pinfo::wait. Remove PROC_CHILDTERMINATED logic. Use different method to remove processes from list when SIGCHLD == SIG_IGN. (proc_terminate): Gut. (subproc_init): Delete. (init_child_info): Remove setting of pppid_handle. (checkstate): Revamp to only scan procs array. (remove_proc): Rename from remove_zombie. Don't close hProcess or pid_handle. Don't release memory if it's myself. (stopped_or_terminated): Change logic to handle new consolidated proc/zombie array. (wait_subproc): Delete. * sigproc.h: Remove obsolete EXIT_* defines. (subproc_init): Remove declaration. * spawn.cc (spawn_guts): Remove reparenting stuff. Use standard wait logic to wait for child if started from a non-cygwin process. * tlsoffsets.h: Regenerate. * tty.cc (tty_init): Check for myself->cygstarted rather than myself->ppid_handle to see if we were started by a cygwin process. * include/sys/signal.h (external_pinfo::exitcode): Replace hProcess. * include/sys/wait.h (WCOREDUMP): Define. * fhandler_tty.cc (fhandler_tty_slave::read): Add debugging output for timeout case. * signal.cc (abort): Flag that we are exiting with the ABORT signal.
* 2004-11-20 Pierre Humblet <pierre.humblet@ieee.org>Pierre Humblet2004-11-201-6/+11
| | | | | | | | | | | | | | * cygheap.h (cygheap_user::get_windows_id): New method. * registry.h (get_registry_hive_path): Change argument type. (load_registry_hive): Ditto. * registry.cc (get_registry_hive_path): Change argument type and take Win9x keys into account. (load_registry_hive): Ditto. * uinfo.cc (cygheap_user::env_userprofile): Use get_windows_id, even for SYSTEM. * shared.cc (user_shared_initialize): Use get_windows_id. * syscalls.cc (seteuid32): Load the registry hive and reload the user shared also on Win9x.
* 2004-10-28 Pierre Humblet <pierre.humblet@ieee.org>Pierre Humblet2004-10-281-5/+6
| | | | | | | | | | | | | | * path.cc (mount_info::from_registry): Deimpersonate while accessing HKLM. (mount_info::read_cygdrive_info_from_registry): Ditto. * cygheap.h: Define NO_IMPERSONATION. (cygheap_user::issetuid): Replace INVALID_HANDLE_VALUE by NO_IMPERSONATION. (cygheap_user::has_impersonation_tokens): Ditto. (cygheap_user::close_impersonation_tokens): Ditto. * uinfo.cc (uinfo_init): Ditto. * syscalls.cc (seteuid32): Ditto. * security.cc (set_impersonation_token): Ditto.
* * syscalls.cc (unlink): Don't use "delete on close" on remote shares.Corinna Vinschen2004-09-171-2/+18
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* * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess isChristopher Faylor2004-09-121-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | starting. * child_info.h (init_child_info): Remove pid argument from declaration. * cygheap.h (init_cygheap::pid): New element. * dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter in child_info struct. Set forkee to 'true' rather than cygpid since the pid value was never used. (dll_crt0_1): Ditto. (_dll_crt0): Ditto. * fork.cc (fork_child): Don't wait for sigthread. This is handled in the fork call now. (fork_parent): Remove obsolete pid argument from init_child_info call. Don't do anything special with cygpid when DEBUGGING. (fork): Delay all signals during fork. (fork_init): Don't do anything special when DEBUGGING. * pinfo.cc (set_myself): Remove pid parameter. Use new pid field in cygheap. (pinfo_init): Don't pass pid argument to set_myself. * sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as sendsig. (init_child_info): Eliminate handling of pid. (wait_sig): Implement method to temporarily hold off sending signals. * sigproc.h (__SIGHOLD): New enum. (__SIGNOHOLD): Ditto. * spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info call.
* * Makefile.in: Create libutil.a from bsdlib.o exports.Corinna Vinschen2004-09-101-63/+7
| | | | | | | | | | | * bsdlib.cc (logwtmp): Move from syscalls.cc to here. (login): Ditto. (logout): Ditto. * winsup.h (EXPORT_ALIAS): New macro. * exec.cc: Define alias symbols using EXPORT_ALIAS macro. * syscalls.cc: Ditto. * times.cc: Ditto.
* Regularize most strace_prints throughout so that %E is always preceded by aChristopher Faylor2004-09-031-11/+10
| | | | comma and elminate most uses of "foo = %s" to "foo %s".
* 2004-08-28 Pierre Humblet <pierre.humblet@ieee.org>Pierre Humblet2004-08-281-2/+5
| | | | | * syscalls.cc (ftruncate64): On 9x, call write with a zero length to zero fill when the file is extended.
* * syscalls.cc (link): Avoid compiler warning.Corinna Vinschen2004-08-241-0/+1
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* * errno.cc (errmap): Add ERROR_TOO_MANY_LINKS -> EMLINK mapping.Corinna Vinschen2004-08-031-3/+38
| | | | * syscalls.cc (link): Only copy files if FS doesn't support hard links.
* revert erroneous checkinChristopher Faylor2004-07-201-2/+3
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* * Makefile.in (clean): Remove cygwin.def since it is autogenerated.Christopher Faylor2004-07-201-3/+2
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* * path.cc (chdir): Always use the normalized_path as posix_cwd, except if itChristopher Faylor2004-05-281-5/+5
| | | | | | starts with a drive. Also perform whitespace cleanup.
* * cygwin.din: Add symbols flockfile, ftrylockfile, funlockfile,Corinna Vinschen2004-05-171-0/+18
| | | | | | | | | | | | | | | | | | getgrgid_r, getgrnam_r and getlogin_r. * grp.cc (getgrgid_r): New function. (getgrnam_r): Ditto. * syscalls.cc (flockfile): Ditto. (ftrylockfile): Ditto. (funlockfile): Ditto. * sysconf.cc (sysconf): Return LOGIN_NAME_MAX in case of _SC_LOGIN_NAME_MAX. * thread.cc (__cygwin_lock_trylock): Define int. Return value from call to pthread_mutex_trylock. * uinfo.cc (getlogin_r): New function. * include/limits.h: Define LOGIN_NAME_MAX. * include/cygwin/version.h: Bump API minor number. * include/sys/lock.h: Add declarations for __cygwin_lock_xxx functions. * include/sys/stdio.h: Add define for _ftrylockfile.
* * syscalls.cc: Include environ.h.Christopher Faylor2004-05-081-10/+6
| | | | | (chroot): Set errno in case of path error. Call getwinenv. * environ.cc: Remove the NO_COPY attribute of conv_envvars.
* * dir.cc (writable_directory): Remove.Corinna Vinschen2004-05-031-15/+0
| | | | | | | (mkdir): Remove call to writable_directory. * syscalls.cc (unlink): Ditto. (rename): Ditto. * winsup.h (writable_directory): Remove declaration.
* * syscalls.cc (lseek64): Fix debug_printf format string.Corinna Vinschen2004-04-211-2/+2
| | | | | | (truncate64): Ditto. * fhandler.cc (fhandler_base::lseek): Force res to -1 on error.
* * fhandler_disk_file.cc (fhandler_base::open_fs): ChangeCorinna Vinschen2004-04-201-15/+27
| | | | | | | | | | | | | | | | set_file_attribute call to indicate that NT security isn't used. (fhandler_disk_file::fchmod): Rearrange to isolate 9x related statements. Do not set FILE_ATTRIBUTE_SYSTEM. (fhandler_disk_file::fchown): Check noop case first. * fhandler.cc (fhandler_base::open9x): Remove ntsec related statements. (fhandler_base::set_name): Do not set namehash. * fhandler.h (fhandler_base::get_namehash): Compute and set namehash if needed. * syscalls.cc (access): Verify that fh is not NULL. Do not set PC_FULL. (chmod): Ditto. (chown_worker): Ditto. (stat_worker): Ditto. Verify if the path exists.
* * autoload.cc (NtCreateFile): Add.Corinna Vinschen2004-04-161-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dir.cc (mkdir): Change set_file_attribute call to indicate that NT security isn't used. * fhandler.cc (fhandler_base::open_9x): New method, created from fhandler_base::open. (fhandler_base::open): Rearrange to use NtCreateFile instead of CreateFile. * fhandler.h (enum query_state): Redefine query_null_access to query_stat_control. query_null_access isn't allowed in NtCreateFile. (fhandler_base::open_9x): Declare. * fhandler_disk_file.cc (fhandler_base::fstat_fs): Use query_stat_control first, query_read_control if that fails. (fhandler_disk_file::fchmod): Call enable_restore_privilege before trying to open for query_write_control. Don't fall back to opening for query_read_control. (fhandler_disk_file::fchown): Ditto. (fhandler_disk_file::facl): Only request restore privilege and query access necessary for given cmd. * fhandler_raw.cc (fhandler_dev_raw::open): Call fhandler_base::open instead of opening device here. * ntdll.h (NtCreateFile): Declare. * path.cc (symlink_worker): Change set_file_attribute call to indicate that NT security isn't used. * sec_acl.cc (getacl): Fix bracketing. * sec_helper.cc (enable_restore_privilege): New function. * security.cc (str2buf2uni_cat): New function. (write_sd): Don't request restore permission here. * security.h (set_process_privileges): Drop stale declaration. (str2buf2uni): Declare. (str2buf2uni_cat): Declare. (enable_restore_privilege): Declare. * syscalls.cc (fchown32): Return immediate success on 9x.
* * ntdll.h: Fix copyright date.Corinna Vinschen2004-04-141-1/+3
| | | | | | | * sec_acl.cc (acl_worker): delete allocated fhandler. * syscalls.cc (chown_worker): Ditto. (chmod): Ditto. (stat_worker): Use get_namehash instead of hash_path_name.
* * syscalls.cc (fstat64): Use get_namehash instead of hash_path_name.Corinna Vinschen2004-04-141-1/+1
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* * fhandler.cc (fhandler_base::open): Simplify access evaluationCorinna Vinschen2004-04-141-51/+13
| | | | | | | | | | | | | | | | | | | | | | | expression. (fhandler_base::facl): New method. * fhandler.h: Declare facl method in fhandler_base, fhandler_disk_file and fhandler_virtual. * fhandler_disk_file.cc (fhandler_disk_file::facl): New method. * fhandler_virtual.cc (fhandler_virtual::facl): New method. * sec_acl.cc: Remove forward declaration for aclsort32 and acl32. (setacl): Remove static. Add and use handle parameter. (getacl): Ditto. (acl_worker): Reorganize to call fhandler's facl method eventually. (facl32): Ditto. * security.cc (get_nt_object_security): Remove static. * security.h: Add extern declarations for get_nt_object_security, aclsort32, acl32, getacl and setacl. Apply missing syscalls.cc patch and ChangeLog of previous check in. * syscalls.cc (chown_worker): Reorganize to call fhandler's fchown method eventually. (fchown): Ditto.
* * autoload.cc (NtSetSecurityObject): Add.Corinna Vinschen2004-04-141-2/+2
| | | | | | | | | | | | | * fhandler_disk_file.cc (fhandler_disk_file::fchmod): Only request READ_CONTROL rights when opening the file. * ntdll.h (NtSetSecurityObject): Add declaration. * security.cc (write_sd): Call NtSetSecurityObject instead of BackupWrite. (get_nt_object_security): Don't free security descriptor here. * syscalls.cc (ttyname): Use buffer of length TTY_NAME_MAX + 1. * sysconf.cc (sysconf): Handle _SC_TTY_NAME_MAX request. * include/limits.h: Define TTY_NAME_MAX and _POSIX_TTY_NAME_MAX.
* * cygwin.din: Export rand_r and ttyname_r.Corinna Vinschen2004-04-141-6/+29
| | | | | | * syscalls.cc (ttyname_r): New function. (ttyname): Move functionality to ttyname_r. Call it from here. * include/cygwin/version.h: Bump API minor number.
* * dir.cc (mkdir): Call set_file_attribute with additional handleCorinna Vinschen2004-04-131-71/+16
| | | | | | | | | | | | | | | | | | | | | | | | argument. * fhandler.cc (fhandler_base::fchmod): New method. * fhandler.h: Declare fchmod method in fhandler_base, fhandler_disk_file and fhandler_virtual. * fhandler_disk_file.cc (fhandler_disk_file::fchmod): New method. (fhandler_base::open_fs): Call set_file_attribute with additional handle argument. * fhandler_virtual.cc (fhandler_virtual::fchmod): New method. * path.cc (symlink_worker): Call set_file_attribute with additional handle argument. * security.cc (get_nt_object_security): New function. (get_nt_object_attribute): Call get_nt_object_security. (set_nt_attribute): Add handle argument. Call get_nt_object_security first, read_sd only if that fails. (set_file_attribute): Add handle argument. * security.h (set_file_attribute): Declare with additional handle argument. * syscalls.cc (stat_suffixes): Move to beginning of file. (chown_worker): Call set_file_attribute with additional handle argument. (chmod): Reorganize to call fhandler's fchmod method eventually. (fchmod): Ditto.
* * syscalls.cc (sync): Define void according to SUSv3.Corinna Vinschen2004-04-101-3/+2
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* * fhandler.cc (rootdir): Add and use second argument.Corinna Vinschen2004-04-101-6/+6
| | | | | | | * winsup.h (rootdir): Add second argument in declaration. * path.cc (fs_info::update): Modify call to rootdir. * syscalls.cc (check_posix_perm): Ditto. (statfs): Ditto. Move syscall_printf near top.
* * Use new unified status_flag accessor methods from classes fhandler_*,Corinna Vinschen2004-04-101-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | tty_min, mtinfo and fs_info thoroughout. * fhandler.h: Redefine all set_close_on_exec methods to take a bool argument. (enum conn_state): Rename from connect_state. (class fhandler_base): Rename some status flags to align with accessor method names. Drop encoded flag entirely. Unify status accessor methods. Const'ify all read accessor methods. (class fhandler_socket): Ditto. (class fhandler_dev_raw): Ditto. * fhandler_disk_file.cc (fhandler_base::fstat_fs): Use fs.fs_is_fat() instead of evaluating FATness of file system here. (fhandler_disk_file::opendir): Drop call to set_encoded(). (fhandler_disk_file::readdir): Use pc.isencoded() directly. * mtinfo.h (class mtinfo_drive): Const'ify all read accessor methods. * path.cc (fsinfo_cnt): Add. (fs_info::update): Accomodate class changes. Evaluate file system name specific flags right here. Add thread safety for reading and writing global fsinfo array. * path.h (enum path_types): Drop values for flags kept in fs already. (struct fs_info): Move status informatin into private struct type status_flags. Add accessor methods. Remove path and file system name string arrays in favor of status bits. (class path_conv): Use new fs_info status information where appropriate. (path_conf::fs_has_ea): Rename from fs_fast_ea. (path_conf::fs_has_acls): New method. (path_conf::root_dir): Remove. (path_conf::volname): Remove. * syscalls (statfs): Evaluate root dir locally. * tty.h (class tty_min): Unify status accessor methods. Const'ify all read accessor methods.
* * fhandler.cc (fhandler_base::open): Set query access mode accordingCorinna Vinschen2004-04-081-3/+2
| | | | | | | | | | | | | | | | | | | | | | | to query_open setting. (fhandler_base::fhandler_base): Initialize query_open. * fhandler.h (FH_QUERYOPEN): Drop. (enum query_state): Add. (class fhandler_base): Add query_open member. (fhandler_base::get_query_open): Redefine to use query_open. (fhandler_base::set_query_open): Ditto. * fhandler_disk_file.cc (fhandler_base::fstat_fs): Remove O_DIROPEN from open_flags since it's added in open_fs anyway. Remove query_open_already. Use new query_open settings. Rearrange slightly. (fhandler_base::fstat_helper): Add get_io_handle as parameter to get_file_attribute. * security.cc (get_nt_object_attribute): Make returning an int. Return -1 on error, 0 otherwise. (get_file_attribute): Take an object handle as argument. Move down to allow calling get_nt_object_attribute in case a non-NULL handle is given. * security.h (get_file_attribute): Add handle to argument list. * syscalls.cc (chown_worker): Accomodate new definition of get_file_attribute.
* * Makefile.in (clean): Clean libserver, too.Christopher Faylor2004-02-171-2/+0
| | | | | | | | * fhandler.cc (fhandler_base::~fhandler_base): Remove path_conv cleanup. * syscalls.cc (chroot): Ditto. * path.cc (path_conv::~path_conv): Define new destructor. (conv_path_list_buf_size): Remove explicit path_conv cleanup. * path.h (path_conv::~path_conv): Declare new destructor.
* * syscalls.cc (rename): Do not test the MoveFile error codeCorinna Vinschen2004-02-161-6/+4
| | | | where MoveFileEx exists.
* Rename _threadinfo to _cygtls, throughout.Christopher Faylor2004-02-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygtls.h (_cygtls::call_signal_handler): Rename from call_signal_handler_now. (_cygtls::push): Make second argument mandatory. (_cygtls::fixup_after_fork): Declare new function. (_cygtls::lock): Ditto. * cygtls.cc (_cygtls::fixup_after_fork): Define new function. * dcrt0.cc (cygwin_finished_initializing): Define as bool. (alloc_stack): Use _tlstop rather than arbitrary variable in probably vain attempt to avoid strange fork problem on CTRL-C. (dll_crt0_0): Remove obsolete winpids::init call. * dll_init.cc (dll_dllcrt0): Detect forkee condition as equivalent to initializing. * winsup.h (cygwin_finished_initializing): Declare as bool. * exceptions.cc (handle_exceptions): Rely on cygwin_finished_initializing to determine how to handle exception during process startup. (_cygtls::call_signal_handler): Rename from call_signal_handler_now. (_cygtls::interrupt_now): Fill in second argument to push. (signal_fixup_after_fork): Eliminate. (setup_handler): Initialize locked to avoid potential inappropriate unlock. Resume thread if it has acquired the stack lock. (ctrl_c_handler): Just exit if ctrl-c is hit before cygiwn has finished initializing. * fork.cc (sync_with_child): Don't call abort since it can cause exit deadlocks. (sync_with_child): Change debugging output slightly. (fork_child): Set cygwin_finished_initializing here. Call _cygtls fork fixup and explicitly call sigproc_init. (fork_parent): Release malloc lock on fork failure. (vfork): Call signal handler via _my_tls. * sigproc.cc (sig_send): Ditto. * syscalls.cc (readv): Ditto. * termios.cc (tcsetattr): Ditto. * wait.cc (wait4): Ditto. * signal.cc (nanosleep): Ditto. (abort): Ditto. (kill_pgrp): Avoid killing self if exiting. * sync.cc (muto::acquire): Remove (temporarily?) ill-advised exiting_thread check. * gendef (_sigfe): Be more agressive in protecting stack pointer from other access by signal thread. (_cygtls::locked): Define new function. (_sigbe): Ditto. (_cygtls::pop): Protect edx. (_cygtls::lock): Use guaranteed method to set eax to 1. (longjmp): Aggressively protect signal stack. * miscfuncs.cc (low_priority_sleep): Reduce "sleep time" for secs == 0. * pinfo.cc (winpids::set): Counterintuitively use malloc's lock to protect simultaneous access to the pids list since there are pathological conditions which can cause malloc to call winpid. (winpids::init): Eliminate. * pinfo.h (winpids::cs): Eliminate declaration. * pinfo.h (winpids::init): Eliminate definition.
* * debug.h (console_printf): Define for non-debugging condition.Christopher Faylor2004-02-091-1/+1
| | | | | | | | | | | | | | * cygtls.h (_threadinfo::lock): Remove wait argument. (_threadinfo::interrupt_setup): Remove retaddr argument. * exceptions.cc (_threadinfo::interrupt_setup): Ditto. (_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument. (setup_handler): Ditto. Always lock sig stack prior to determining interrupt method. * gendef (_sigfe): Correct thinko regarding cmpxchg. (_sigbe): Ditto. (_threadinfo::lock): Ditto. (_threadinfo::pop): Eliminate left-over stack unlock. * sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
* * cygtls.cc (_threadinfo::init_thread): Add more local reent stdioChristopher Faylor2004-01-261-11/+14
| | | | | | | | | | | | | | initialization. * dcrt0.cc (initial_env): Can it really be true that XP doesn't allow attaching a debugger during DLL attach? Add temporary workaround. (dll_crt0_0): Ensure that _impure_ptr stdio is initialized before any threads. (dll_crt0_1): Move _impure_ptr initialization to dll_crt0_0. * exceptions.cc (try_to_debug): Reinstate old method for looping while debugging. * syscalls.cc (_cygwin_istext_for_stdio): Regularize debugging output. Remove hopefully extraneous check. (setmode_helper): Add debugging output for improbable case. Use "binary" rather "raw" for consistency.
* * cygheap.cc (init_cygheap::close_ctty): Protect YA vforkism.Christopher Faylor2004-01-241-92/+10
| | | | | | | | | | | | | | | | | | | | | | | * fhandler.h (fhandler_base::has_acls): Make pass through for path_conv method. (fhandler_base::isremote): Ditto. (fhandler_base::is_fs_special): Ditto. (fhandler_base::has_attribute): Ditto. Define new function. (fhandler_base::fhaccess): Declare new function based on access_worker. (fhandler_base::set_has_acls): Eliminate obsolete function. (fhandler_base::set_isremote): Ditto. * fhandler.cc (fhandler_base::fhaccess): Move from syscalls.cc and into fhandler_base class. Use fhandler methods to access data rather than path_conv stuff. (fhandler_base::device_access_denied): Use fhaccess method. * fhandler_disk_file.cc (fhandler_disk_file::opendir): Ditto. (fhandler_base::open_fs): Remove calls to obsolete functions. * fhandler_virtual.cc (fhandler_virtual::open): Ditto. * winsup.h (access_worker): Remove obsolete access_worker declaration. *syscalls.cc (access_worker): Move function to fhandler.cc. (access): Use fhaccess method. * pinfo.cc (_pinfo::set_ctty): Clarify debugging output. * sigproc.cc (sig_dispatch_pending): Ditto. * syscalls.cc (setsid): Perform minor rearrangement.
* * configure.in: Remove NEWVFORK default.Christopher Faylor2004-01-231-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * configure: Regenerate. * dcrt0.cc: Conditionalize vfork stuff throughout. * dtable.cc: Ditto. * perthread.h: Ditto. * pipe.cc (fhandler_pipe::close): Ditto. * spawn.cc (spawnve): Ditto. * syscalls.cc (setsid): Ditto. * exceptions.cc (sigpacket::process): Use macro to refer to vfork pid. * debug.cc (verify_handle): Define new function. * debug.h (VerifyHandle): Define new macro. (verify_handle): Declare new function * fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not supposed to be in use. (fhandler_base::set_inheritance): Ditto. (fhandler_base::fork_fixup): Ditto. * fhandler_socket.cc (fhandler_socket::dup): Ditto. * fhandler_tty.cc (fhandler_tty_slave::open): Ditto. * net.cc (set_socket_inheritance): Ditto. * pinfo.cc (pinfo_fixup_after_exec): Ditto. * sigproc.cc (proc_subproc): Ditto. (sig_send): Ditto. * spawn.cc (spawn_guts): Ditto. * thread.cc (pthread::init_mainthread): Ditto. * pipe.cc (fhandler_pipe::close): Close read_state with ForceCloseHandle since it was protected. (fhandler_pipe::fixup_after_exec): Protect read_state handle. (fhandler_pipe::dup): Correctly close open handles on error condition. Verify that dup'ed handle is not supposed to be in use. (fhandler_pipe::create): Protect read_state.
* * cygwin/include/signal.h: Add copyright notice.Christopher Faylor2004-01-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygwin.din: Make clock SIGFE. Add clock_gettime, sigwaitinfo, timer_create, timer_delete, timer_settime. * include/cygwin/version.h: Reflect above additions. * fork.cc (fork_child): Call fixup_timers_after_fork. * signal.cc (sigwait): Remove unused variable. * timer.cc: New file. (clock_gettime): Define new function. (timer_tracker): Define new struct used by timer functions. (timer_tracker::timer_tracker): New function. (to_us): New function. (timer_thread): New function. (timer_tracker::settime): New function. (timer_create): New function. (timer_settime): New function. (timer_delete): New function. (fixup_timers_after_fork): New function. * cygthread.cc: Bump thread count. * signal.cc (sigwaitinfo): Define new function. (sigwait): Redefine based on sigwaitinfo. * include/cygwin/signal.h (sigwaitinfo): Declare. (sigwait): Ditto. * dtable.cc (dtable::vfork_parent_restore): Avoid double close of ctty when ctty == ctty_on_hold. * cygtls.h (_threadinfo::threadkill): New element. (_threadinfo::set_threadkill): Declare new function. (_threadinfo::reset_threadkill): Declare new function. * dcrt0.cc (dcrt0_1): Call here so that it will be possible to attach to running process with #(*& Windows Me/9x. (initial_env): Try to initialize strace if uninitialized. * gendef: Don't zero signal if threadkill is set since that will happen in the called function. * signal.cc (sigwait): Ensure cleanup in error conditions. * sigproc.cc (sig_send): Clear packet mask storage. (wait_subproc): Fill in child exit code in siginfo_t structure. * thread.cc (pthread_kill): Set threadkill flag. * tlsoffsets.h: Regenerate. Throughout, use siginfo_t to fill out all signal information for "kernel" signals. * cygtls.h (_threadinfo::set_siginfo): Declare new function. * cygtls.cc (_threadinfo::set_siginfo): Define new function. * dcrt0.cc (do_exit): Accommodate siginfo_t considerations. * exceptions.cc (handle_exceptions): Ditto. (sig_handle_tty_stop): Ditto. (ctrl_c_handler): Use killsys() to send signal. (sigpacket::process): Rename from sig_handle. Use siginfo_t field from sigpacket for everything. (tty_min::kill_pgrp): Accommodate siginfo_t considerations. (fhandler_termios::bg_check): Ditto. * fhandler_tty.cc (fhandler_tty_slave::ioctl): Use killsys() to send signal. * signal.cc (kill_worker): Rewrite to use siginfo_t second argument. (kill_pgrp): Ditto. (kill0): Define new function pulled from kill(). (kill): Rewrite as frontend to kill0. (killsys): Define new function. * sigproc.cc (sigelem): Eliminate. (sigpacket): Move to sigproc.h. Subsume sigelem. (pending_signals): Use sigpacket rather than sigelem for everything. (sig_clear): Ditto. (wait_sig): Ditto. (sig_send): Rewrite to use siginfo_t argument. (sig_send): New function wratpper to sig_send with siginfo_t argument. (wait_subproc): Accommodate siginfo_t considerations. * thread.cc (pthread_kill): Ditto. * sigproc.h (sigpacket): Move here. (sigpacket::process): Declare "new" function. (sig_handle): Eliminate declaration. (sig_send): Declare with new paramaters. (killsys): Declare new function. (kill_pgrp): Declare. * winsup.h: Move some signal-specific stuff to sigproc.h. * include/cygwin/signal.h: Tweak some siginfo_t stuff.
* * cygtls.h (_threadinfo::call): Remove regparm declaration to work aroundChristopher Faylor2004-01-141-11/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | compiler bug. * autoload.cc (TryEnterCriticalSection): Remove. * dcrt0.cc (dll_crt0_0): Delete inappropriate setting of _my_tls.stackptr to NULL since it has really bad consequences. Make 'si' an automatic variable. * cygtls.cc (_threadinfo::init_thread): Correct thinko which caused thread list to be allocated every time. * cygtls.h (CYGTLS_PADSIZE): Define as const int. * sync.h: Make multiple inclusion safe. (muto::next): Eliminate. (muto::exiting_thread): New variable. (muto::set_exiting_thread): New function. (new_muto): Change to use different section for mutos since c++ give inexplicable warning in some cases otherwise. (new_muto1): Ditto. * dcrt0.cc (do_exit): Call muto::set_exiting_thread here. * sync.cc (muto_start): Eliminate. (muto::acquire): Always give exiting thread a lock. Never give thread a lock if exiting. (muto::release): Ditto for releasing. * dtable.cc (dtable::init_lock): Unline function and define here. * dtable.h (lock_cs): Define as a muto since critical sections seem to work oddly on Windows Me. (lock): Accommodate switch to muto. (unlock): Ditto. * exceptions.cc (setup_handler): Don't worry about acquiring mutos since that hasn't mattered for a long time. (signal_exit): Ditto: muto stuff will be handled automatically on exit now. * Makefile.in (DLL_IMPORTS): Link advapi32 to ensure proper DLL initialization. * autoload.cc (RegCloseKey): Arbitrarily choose this function as a "seed" to pull the advapi32 link library in. So, comment out the autoloading. * cygtls.cc (_threadinfo::init_thread): Just clear CYGTLS_PADSIZE. (_threadinfo::remove): Add debugging. (_threadinfo::find_tls): Ditto. * cygtls.h (_threadinfo::padding): Make zero length (for now?). * dcrt0.cc (dll_crt0_0): Move more initialization here from dll_crt0_1. (dll_crt0_1): See above. * dtable.h (dtable::lock): Remove commented out critical section locking. * dtable.h (dtable::init_lock): Remove commented out critical section locking. * dtable.h (dtable::unlock): Remove commented out critical section locking. * exceptions.cc (interruptible): bool'ize. * init.cc (threadfunc_fe): Revert to storing threadfunc at stack bottom. (munge_threadfunc): Ditto. Avoid adding overhead to calibration_thread. (prime_threads): Don't initialize tls stuff. (dll_entry): Make minor change to initialization order. * tlsoffsets.h: Regenerate. * sigproc.cc (wait_sig): Add sanity check for end of process thread exit. * select.h: Make minor formatting change. * Makefile.in: Add still more -fomit-frame-pointer functions. * dtable.h (dtable::lock): New function. (dtable::unlock): New function. (dtable::init_lock): New function. * cygheap.h (HEAP_TLS): Declare new enum value. (init_cygheap::threadlist): Declare new array. (init_cygheap::sthreads): Declare new variable. (cygheap_fdmanip::~cygheap_fdmanip): Use new dtable lock/unlock functions. (cygheap_fdnew::cygheap_fdnew): Ditto. (cygheap_fdget::cygheap_fdget): Ditto. * dtable.cc (dtable_init): Initialize fdtab critical section. (dtable::fixup_after_fork): Ditto. (dtable::fixup_after_exec): Ditto. (dtable::dup2): Use lock/unlock calls to protect access to fdtab. (dtable::find_fifo): Ditto. (dtable::fixup_before_fork): Ditto. (dtable::fixup_before_exec): Ditto. (dtable::set_file_pointers_for_exec): Ditto. (dtable::vfork_child_dup): Ditto. (dtable::vfork_parent_restore): Ditto. * syscalls.cc (close_all_files): Ditto. * sync.h (muto::acquired): Declare new function. (new_muto1): Declare new macro used to specify name of muto storage. * sync.cc (muto::acquired): Define new function. * cygthread.cc (cygthread::stub): Remove signal chain removal call since it is handled during initialization now. * cygthread.cc (cygthread::simplestub): Remove signal chain removal call since it is handled during initialization now. * cygtls.cc (sentry): New class used for locking. Use throughout. (_threadinfo::reset_exception): Don't pop stack. (_threadinfo::find_tls): Move from exceptions.cc. (_threadinfo::init_thread): Initialize array of threads rather than linked list. Take second argument indicating thread function for this thread. (_threadinfo::remove): Search thread array rather than linked list. Use sentry to lock. Only unlock if we got the lock. (_threadinfo::find_tls): Ditto for first two. (handle_threadlist_exception): Handle exceptions when manipulating the thread list in case of premature thread termination. (_threadinfo::init_threadlist_exceptions): Ditto. * cygtls.h (TLS_STACK_SIZE): Decrease size. (_threadinfo::padding): Add element to avoid overwriting lower part of stack. (_threadinfo::remove): Add a "wait" argument to control how long we wait for a lock before removing. * exceptions.cc (init_exception_handler): Make global. Take argument to control exception handler being set. (ctrl_c_handler): Wait forever when removing self from signal chain. (_threadinfo::find_tls): Move to cygtls.cc. (sig_handle): Reorganize detection for thread-specific signals. * heap.cc (heap_init): Rework slightly. Make fatal error more verbose. Remove malloc initialization since it can't happen during dll attach. * init.cc (search_for): Move address to search for on stack here. (threadfunc_ix): Ditto for stack offset. Make shared so that stack walk potentially only has to be done once when cygwin processes are running. (threadfunc_fe): Use standard tls to store thread function (may change back later). (calibration_thread): New function. Potentially called to find threadfunc_ix. (munge_threadfunc): Search for "search_for" value on stack. Output warning when thread func not found on stack. Use standard tls to store thread function. (prime_threads): New function. Called to prime thread front end. (dll_entry): Call dll_crt0_0 here when DLL_PROCESS_ATTACH. Call prime_threads here. Try to remove thread from signal list here. * sigproc.cc (wait_sig): Initialize threadlist exception stuff here. * thread.cc (pthread::exit): Pass argument to signal list remove function. * thread.h: Remove obsolete *ResourceLock defines. * tlsoffsets.h: Regenerate. * winsup.h (spf): Define temporary debug macro to be deleted later. * dcrt0.cc (dll_crt0_0): New function, called during DLL initialization. Mainly consists of code pulled from dll_crt0_1. (dll_crt0_1): See above. (_dll_crt0): Wait for initial calibration thread to complete, if appropriate. Move some stuff to dll_crt0_0. (initialize_main_tls): Accommodate argument change to _thread_info::init_thread. * fork.cc (fork_child): Ditto. (sync_with_child): Fix debug message. * external.cc (cygwin_internal): Remove special considerations for uninitialized dll since initialization happens during dll attach now. * dlfcn.cc (dlopen): Remove obsolete *ResourceLock calls. (dlclose): Ditto. * cygheap.h (init_cygheap::close_ctty): Declare new function. * cygheap.cc (init_cygheap::close_ctty): Define new function. * syscalls.cc (close_all_files): Use close_ctty. (setsid): Ditto. * cygthread.cc (cygthread::stub): Remove exception initialization. * cygthread.cc (cygthread::stub): Remove exception initialization. (cygthread::simplestub): Ditto. * thread.cc (pthread::thread_init_wrapper): Ditto. * cygtls.cc (_last_thread): Make static. (_threadinfo::call2): Initialize exception handler here. (_threadinfo::find_tls): Move here. * exceptions.cc (_threadinfo::find_tls): Move. * dcrt0.cc (__api_fatal): Add prefix info to message here rather than including it in every call to function. * winsup.h (api_fatal): Accommodate above change. * debug.cc (add_handle): Don't do anything if cygheap not around. (mark_closed): Ditto. * dll_init.cc (dll_list::detach): Fix debug output. * fork.cc (sync_with_child): Ditto. (vfork): Improve debug output. * heap.cc (heap_init): Ditto. * exceptions.cc (try_to_debug): Clarify message when debugger attaches.
* Move open_fhs from fhandler.h to cygheap.h for easier tracking. AccommodateChristopher Faylor2003-12-301-2/+3
| | | | | | | | | | | | | | | | | | | | | this change throughout. * dtable.cc (dtable::add_archetype): Use correct count when iterating through *active* archetypes. * dtable.cc (dtable::fixup_after_exec): Close handle if close_on_exec and archetype exists since archetype currently does not set windows close-on-exec flag (FIXME). * fhandler_tty.cc (fhandler_tty_slave::open): Change debugging output slightly. (fhandler_tty_slave::close): Ditto. (fhandler_tty_slave::fixup_after_fork): Just report on inherited use counts since since archetype currently does not set windows close-on-exec flag (FIXME). * pinfo.cc (_pinfo::set_ctty): Change debugging output slightly. * cygheap.cc (cygheap_init): Remove open_fhs accommodation and use count reporting. * perthread.h (vfork_save::fhctty): New element. * perthread.h (vfork_save::open_fhs): New element. * fork.cc (vfork): Muck around with ctty and open_fhs stuff, both of which are now saved in the vfork_save structure.
* * syscalls.cc (close_all_files): Simplify logic around closing ctty.Christopher Faylor2003-12-271-9/+6
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* * fhandler.h (fhandler_tty_master::fixup_after_fork): Remove declaration.Christopher Faylor2003-12-271-2/+1
| | | | | | | | | | | | | | (fhandler_tty_master::fixup_after_exec): Ditto. * fhandler_tty.cc (fhandler_tty_master::init): Fix so that children do not inherit master tty handles. (fhandler_tty_master::fixup_after_fork): Remove, since it was never used. (fhandler_tty_master::fixup_after_exec): Ditto. * pinfo.cc (_pinfo::set_ctty): Increment open_fhs when ctty is set. * cygheap.cc (cygheap_init): Ditto. * syscalls.cc (setsid): *Always* call close on opened ctty since the archetype is associated with the ctty and it counts as an opened handle. * tty.cc (tty::common_init): Don't protect input/output mutex since it confuses subsequent fork/execs when CYGWIN=tty.
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