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authorChristopher Faylor <me@cgf.cx>2003-09-20 00:31:13 +0000
committerChristopher Faylor <me@cgf.cx>2003-09-20 00:31:13 +0000
commitd1fb625d2bbe16aeb77d403d62742b0240ca7024 (patch)
tree282edbea12074ba940905d8930168a69d63c3601
parent41946df6111b6daf93518b22ca49c54544c77599 (diff)
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* syscalls.cc (system): Strip signal considerations from here so that they are
not inherited by a child process. * spawn.cc (spawn_guts): Handle system() signal stuff here. * winsup.h (_P_SYSTEM): Define.
-rw-r--r--winsup/cygwin/ChangeLog7
-rw-r--r--winsup/cygwin/devices.cc453
-rw-r--r--winsup/cygwin/devices.gperf164
-rw-r--r--winsup/cygwin/fhandler_fifo.cc207
-rw-r--r--winsup/cygwin/fhandler_nodevice.cc40
-rw-r--r--winsup/cygwin/pinfo.h2
-rw-r--r--winsup/cygwin/spawn.cc28
-rw-r--r--winsup/cygwin/syscalls.cc31
8 files changed, 901 insertions, 31 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 036896a0b..6d794a3e2 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,10 @@
+2003-09-19 Christopher Faylor <cgf@redhat.com>
+
+ * syscalls.cc (system): Strip signal considerations from here so that
+ they are not inherited by a child process.
+ * spawn.cc (spawn_guts): Handle system() signal stuff here.
+ * winsup.h (_P_SYSTEM): Define.
+
2003-09-18 Corinna Vinschen <corinna@vinschen.de>
* fhandler_tty.cc (fhandler_pty_master::process_slave_output):
diff --git a/winsup/cygwin/devices.cc b/winsup/cygwin/devices.cc
new file mode 100644
index 000000000..9972c644a
--- /dev/null
+++ b/winsup/cygwin/devices.cc
@@ -0,0 +1,453 @@
+/* ANSI-C code produced by gperf version 2.7.2 */
+/* Command-line: gperf -c --key-positions=5-8,1-2,9-10 -r -t -C -E -T -L ANSI-C -Hdevhash -Ndevice::lookup -Z devstring -7 -G /cygnus/src/uberbaum/winsup/cygwin/devices.gperf */
+#include "winsup.h"
+#include <sys/types.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "devices.h"
+#include "sys/cygwin.h"
+#include "tty.h"
+#include "pinfo.h"
+#undef __GNUC__
+static unsigned int devhash (const char *, unsigned)
+ __attribute__ ((regparm (2)));
+enum
+ {
+ TOTAL_KEYWORDS = 54,
+ MIN_WORD_LENGTH = 5,
+ MAX_WORD_LENGTH = 14,
+ MIN_HASH_VALUE = 131,
+ MAX_HASH_VALUE = 358
+ };
+
+/* maximum key range = 228, duplicates = 0 */
+
+#ifdef __GNUC__
+__inline
+#else
+#ifdef __cplusplus
+inline
+#endif
+#endif
+static unsigned int
+devhash (register const char *str, register unsigned int len)
+{
+ static const unsigned short asso_values[] =
+ {
+ 359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 60, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 359, 62, 359,
+ 359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 15, 359, 359, 359, 359, 359, 359,
+ 359, 359, 359, 359, 359, 359, 359, 0, 2, 46,
+ 42, 50, 3, 4, 36, 15, 10, 41, 61, 13,
+ 26, 30, 52, 57, 45, 27, 59, 39, 51, 38,
+ 32, 18, 14, 359, 359, 359, 359, 359
+ };
+ register int hval = len;
+
+ switch (hval)
+ {
+ default:
+ case 10:
+ hval += asso_values[(unsigned) cyg_tolower (str[9])];
+ case 9:
+ hval += asso_values[(unsigned) cyg_tolower (str[8])];
+ case 8:
+ hval += asso_values[(unsigned) cyg_tolower (str[7])];
+ case 7:
+ hval += asso_values[(unsigned) cyg_tolower (str[6])];
+ case 6:
+ hval += asso_values[(unsigned) cyg_tolower (str[5])];
+ case 5:
+ hval += asso_values[(unsigned) cyg_tolower (str[4])];
+ case 4:
+ case 3:
+ case 2:
+ hval += asso_values[(unsigned) cyg_tolower (str[1])];
+ case 1:
+ hval += asso_values[(unsigned) cyg_tolower (str[0])];
+ break;
+ }
+ return hval;
+}
+
+static NO_COPY const struct device wordlist[] =
+ {
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""},
+ {":bad:", FH_BAD, ":bad:", 0, 0, 0, 0},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""},
+ {"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
+ {""}, {""}, {""}, {""},
+ {"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0},
+ {""},
+ {"/dev/hda", FH_SDA, "\\Device\\Harddisk%d\\Partition%d", 1, 16, -1},
+ {""},
+ {"/dev/hdb", FH_SDB, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 15},
+ {"/dev/hdf", FH_SDF, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 79},
+ {"/dev/hdg", FH_SDG, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 95},
+ {""}, {""},
+ {"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127},
+ {""}, {""},
+ {"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143},
+ {"/dev/com", FH_SERIAL, "\\.\\com%d", 1, 99},
+ {""},
+ {"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191},
+ {"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399},
+ {"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127},
+ {""}, {""},
+ {"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383},
+ {""}, {""}, {""}, {""}, {""}, {""}, {""},
+ {"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207},
+ {"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287},
+ {""}, {""},
+ {"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223},
+ {""},
+ {"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367},
+ {""},
+ {"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127},
+ {""},
+ {"/dev/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111},
+ {"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15},
+ {"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351},
+ {"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319},
+ {"/dev/kmem", FH_KMEM, "\\dev\\mem", 0, 0, 0, 0},
+ {"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159},
+ {"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47},
+ {"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0},
+ {""},
+ {"/dev/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271},
+ {"/dev/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31},
+ {""}, {""}, {""},
+ {"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63},
+ {"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335},
+ {"/dev/hdp", FH_SDP, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 239},
+ {""}, {""}, {""}, {""},
+ {"/dev/hdq", FH_SDQ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 255 /* FIXME 8 bit lunacy */},
+ {"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0},
+ {"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303},
+ {""},
+ {"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175},
+ {"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0},
+ {""}, {""}, {""}, {""},
+ {"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0},
+ {"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0},
+ {""}, {""}, {""},
+ {"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0},
+ {""},
+ {"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1},
+ {""}, {""},
+ {"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0},
+ {"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0},
+ {"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0},
+ {""}, {""}, {""}, {""}, {""},
+ {"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0},
+ {"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0},
+ {""}, {""}, {""}, {""}, {""},
+ {"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0},
+ {""}, {""}, {""},
+ {"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0},
+ {"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0},
+ {""}, {""}, {""}, {""}, {""}, {""},
+ {"/dev/clipboard", FH_CLIPBOARD, "\\dev\\clipboard", 0, 0, 0, 0},
+ {""}, {""}, {""}, {""},
+ {"/dev/port", FH_PORT, "\\dev\\port", 0, 0, 0, 0},
+ {"/dev/null", FH_NULL, "nul", 0, 0, 0, 0}
+ };
+
+static const device cygdrive_dev_storage =
+ {"/cygdrive", FH_CYGDRIVE, "/cygdrive", 0, 0, 0, 0};
+
+static const device fs_dev_storage =
+ {"", FH_FS, "", 0, 0, 0, 0};
+
+static const device proc_dev_storage =
+ {"", FH_PROC, "", 0, 0, 0, 0};
+
+static const device registry_dev_storage =
+ {"", FH_REGISTRY, "", 0, 0, 0, 0};
+
+static const device process_dev_storage =
+ {"", FH_PROCESS, "", 0, 0, 0, 0};
+
+static const device tcp_dev_storage =
+ {"/dev/inet/tcp", FH_TCP, "", 0, 0, 0, 0};
+
+static const device udp_dev_storage =
+ {"/dev/inet/udp", FH_UCP, "", 0, 0, 0, 0};
+
+static const device icmp_dev_storage =
+ {"/dev/inet/icmp", FH_ICMP, "", 0, 0, 0, 0};
+
+static const device unix_dev_storage =
+ {"/dev/inet/unix", FH_UNIX, "", 0, 0, 0, 0};
+
+static const device stream_dev_storage =
+ {"/dev/inet/stream", FH_STREAM, "", 0, 0, 0, 0};
+
+static const device dgram_dev_storage =
+ {"/dev/inet/dgram", FH_DGRAM, "", 0, 0, 0, 0};
+
+static const device piper_dev_storage =
+ {"", FH_PIPER, "", 0, 0, 0, 0};
+
+static const device pipew_dev_storage =
+ {"", FH_PIPEW, "", 0, 0, 0, 0};
+
+static const device dev_fs =
+ {"", FH_FS, "", 0, 0, 0, 0};
+const device *bad_dev = wordlist + 131;
+const device *cdrom_dev = wordlist + 241;
+const device *cdrom_dev1 = wordlist + 285;
+const device *clipboard_dev = wordlist + 352;
+const device *conin_dev = wordlist + 315;
+const device *conout_dev = wordlist + 344;
+const device *console_dev = wordlist + 333;
+const device *cygdrive_dev = &cygdrive_dev_storage;
+const device *dgram_dev = &dgram_dev_storage;
+const device *fifo_dev = wordlist + 222;
+const device *floppy_dev = wordlist + 214;
+const device *fs_dev = &fs_dev_storage;
+const device *icmp_dev = &icmp_dev_storage;
+const device *kmem_dev = wordlist + 288;
+const device *mem_dev = wordlist + 246;
+const device *ntape_dev = wordlist + 282;
+const device *null_dev = wordlist + 358;
+const device *oss_dsp_dev = wordlist + 291;
+const device *pipe_dev = wordlist + 340;
+const device *piper_dev = &piper_dev_storage;
+const device *pipew_dev = &pipew_dev_storage;
+const device *port_dev = wordlist + 357;
+const device *proc_dev = &proc_dev_storage;
+const device *process_dev = &process_dev_storage;
+const device *ptym_dev = wordlist + 327;
+const device *random_dev = wordlist + 316;
+const device *rawdrive_dev = wordlist + 345;
+const device *registry_dev = &registry_dev_storage;
+const device *sda_dev = wordlist + 248;
+const device *sdb_dev = wordlist + 250;
+const device *sdc_dev = wordlist + 294;
+const device *sdd_dev = wordlist + 290;
+const device *sde_dev = wordlist + 298;
+const device *sdf_dev = wordlist + 251;
+const device *sdg_dev = wordlist + 252;
+const device *sdh_dev = wordlist + 284;
+const device *sdi_dev = wordlist + 263;
+const device *sdj_dev = wordlist + 258;
+const device *sdk_dev = wordlist + 289;
+const device *sdl_dev = wordlist + 309;
+const device *sdm_dev = wordlist + 261;
+const device *sdn_dev = wordlist + 274;
+const device *sdo_dev = wordlist + 278;
+const device *sdp_dev = wordlist + 300;
+const device *sdq_dev = wordlist + 305;
+const device *sdr_dev = wordlist + 293;
+const device *sds_dev = wordlist + 275;
+const device *sdt_dev = wordlist + 307;
+const device *sdu_dev = wordlist + 287;
+const device *sdv_dev = wordlist + 299;
+const device *sdw_dev = wordlist + 286;
+const device *sdx_dev = wordlist + 280;
+const device *sdy_dev = wordlist + 266;
+const device *sdz_dev = wordlist + 262;
+const device *serial_dev = wordlist + 259;
+const device *serial_dev1 = wordlist + 322;
+const device *stream_dev = &stream_dev_storage;
+const device *tape_dev = wordlist + 255;
+const device *tcp_dev = &tcp_dev_storage;
+const device *tty_dev = wordlist + 306;
+const device *ttym_dev = wordlist + 320;
+const device *ttys_dev = wordlist + 334;
+const device *udp_dev = &udp_dev_storage;
+const device *unix_dev = &unix_dev_storage;
+const device *urandom_dev = wordlist + 326;
+const device *windows_dev = wordlist + 325;
+const device *zero_dev = wordlist + 310;
+
+const device *unit_devices[] =
+{
+ wordlist + 241 /* cdrom */,
+ wordlist + 259 /* serial */,
+ wordlist + 320 /* ttym */,
+ wordlist + 334 /* ttys */,
+ wordlist + 214 /* floppy */,
+ &tcp_dev_storage /* tcp */,
+ wordlist + 345 /* rawdrive */,
+ wordlist + 255 /* tape */
+};
+
+const device *uniq_devices[] =
+{
+ wordlist + 131 /* bad */,
+ &fs_dev_storage /* fs */,
+ &process_dev_storage /* process */,
+ &registry_dev_storage /* registry */,
+ &proc_dev_storage /* proc */,
+ wordlist + 222 /* fifo */,
+ &pipew_dev_storage /* pipew */,
+ &piper_dev_storage /* piper */,
+ wordlist + 340 /* pipe */,
+ wordlist + 246 /* mem */,
+ wordlist + 288 /* kmem */,
+ wordlist + 358 /* null */,
+ wordlist + 310 /* zero */,
+ wordlist + 357 /* port */,
+ wordlist + 316 /* random */,
+ wordlist + 326 /* urandom */,
+ wordlist + 306 /* tty */,
+ wordlist + 333 /* console */,
+ wordlist + 327 /* ptym */,
+ wordlist + 344 /* conout */,
+ wordlist + 315 /* conin */,
+ wordlist + 352 /* clipboard */,
+ wordlist + 325 /* windows */,
+ wordlist + 291 /* oss_dsp */,
+ wordlist + 259 /* serial */
+};
+
+#ifdef __GNUC__
+__inline
+#endif
+const struct device *
+device::lookup (register const char *str, register unsigned int len)
+{
+ if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
+ {
+ register int key = devhash (str, len);
+
+ if (key <= MAX_HASH_VALUE && key >= 0)
+ {
+ register const char *s = wordlist[key].name;
+
+ if (strncasematch (str, s, len))
+ return &wordlist[key];
+ }
+ }
+ return 0;
+}
+void
+device::parse (const char *s)
+{
+ size_t len = strlen (s);
+ const device *dev = lookup (s, len);
+ unsigned unit = 0;
+
+ if (!dev || !*dev)
+ {
+ size_t prior_len = len;
+ while (len-- > 0 && isdigit (s[len]))
+ continue;
+ if (++len < prior_len)
+ {
+ dev = lookup (s, len);
+ if (!dev || (!dev->upper && !dev->devn == FH_TTY))
+ dev = NULL;
+ else
+ {
+ unsigned n = atoi (s + len);
+ if (dev->devn == FH_TTY)
+ dev = ttys_dev; // SIGH
+ if (n >= dev->lower && n <= dev->upper)
+ unit = n;
+ }
+ }
+ }
+
+ if (!dev || !*dev)
+ *this = *fs_dev;
+ else if (dev->devn == FH_TTY)
+ tty_to_real_device ();
+ else
+ {
+ *this = *dev;
+ if (!setunit (unit))
+ devn = 0;
+ }
+}
+
+void
+device::init ()
+{
+ /* nothing to do... yet */
+}
+
+void
+device::parse (_major_t major, _minor_t minor)
+{
+ _dev_t dev = FHDEV (major, 0);
+
+ devn = 0;
+
+ unsigned i;
+ for (i = 0; i < (sizeof (unit_devices) / sizeof (unit_devices[0])); i++)
+ if (unit_devices[i]->devn == dev)
+ {
+ *this = *unit_devices[i];
+ this->setunit (minor);
+ goto out;
+ }
+
+ dev = FHDEV (major, minor);
+ for (i = 0; i < (sizeof (uniq_devices) / sizeof (uniq_devices[0])); i++)
+ if (uniq_devices[i]->devn == dev)
+ {
+ *this = *uniq_devices[i];
+ break;
+ }
+
+out:
+ if (!*this)
+ devn = FHDEV (major, minor);
+ return;
+}
+
+void
+device::parse (_dev_t dev)
+{
+ parse (_major (dev), _minor (dev));
+}
+
+void
+device::tty_to_real_device ()
+{
+ if (!real_tty_attached (myself))
+ *this = myself->ctty < 0 ? *bad_dev : *console_dev;
+ else
+ {
+ *this = *ttys_dev;
+ setunit (myself->ctty);
+ }
+}
diff --git a/winsup/cygwin/devices.gperf b/winsup/cygwin/devices.gperf
new file mode 100644
index 000000000..5251f59f3
--- /dev/null
+++ b/winsup/cygwin/devices.gperf
@@ -0,0 +1,164 @@
+%{
+#include "winsup.h"
+#include <sys/types.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+#include "devices.h"
+#include "sys/cygwin.h"
+#include "tty.h"
+#include "pinfo.h"
+#undef __GNUC__
+static unsigned int devhash (const char *, unsigned)
+ __attribute__ ((regparm (2)));
+%}
+struct device;
+%%
+"/dev/tty", FH_TTY, "\\dev\\tty", 0, 0, 0, 0
+"/dev/ttys", FH_TTYS, "\\dev\\tty%d", 0, 255, 0, 0
+"/dev/console", FH_CONSOLE, "\\dev\\console", 0, 0, 0, 0
+"/dev/ttym", FH_TTYM, "\\dev\\ttym", 0, 255, 0, 0
+"/dev/ptmx", FH_PTYM, "\\dev\\ptmx", 0, 0, 0, 0
+"/dev/windows", FH_WINDOWS, "\\dev\\windows", 0, 0, 0, 0
+"/dev/dsp", FH_OSS_DSP, "\\dev\\dsp", 0, 0, 0, 0
+"/dev/conin", FH_CONIN, "conin", 0, 0, 0, 0
+"/dev/conout", FH_CONOUT, "conout", 0, 0, 0, 0
+"/dev/null", FH_NULL, "nul", 0, 0, 0, 0
+"/dev/zero", FH_ZERO, "\\dev\\zero", 0, 0, 0, 0
+"/dev/random", FH_RANDOM, "\\dev\\random", 0, 0, 0, 0
+"/dev/urandom", FH_URANDOM, "\\dev\\urandom", 0, 0, 0, 0
+"/dev/mem", FH_MEM, "\\dev\\mem", 0, 0, 0, 0
+"/dev/kmem", FH_KMEM, "\\dev\\mem", 0, 0, 0, 0
+"/dev/clipboard", FH_CLIPBOARD, "\\dev\\clipboard", 0, 0, 0, 0
+"/dev/port", FH_PORT, "\\dev\\port", 0, 0, 0, 0
+"/dev/com", FH_SERIAL, "\\.\\com%d", 1, 99
+"/dev/ttyS", FH_SERIAL, "\\.\\com%d", 0, 99, -1
+"/dev/pipe", FH_PIPE, "\\dev\\pipe", 0, 0, 0, 0
+"/dev/fifo", FH_FIFO, "\\dev\\fifo", 0, 0, 0, 0
+"/dev/st", FH_TAPE, "\\Device\\Tape%d", 0, 127
+"/dev/nst", FH_NTAPE, "\\Device\\Tape%d", 0, 127
+"/dev/fd", FH_FLOPPY, "\\Device\\Floppy%d", 0, 15
+"/dev/scd", FH_CDROM, "\\Device\\CdRom%d", 0, 15
+"/dev/sr", FH_CDROM, "\\Device\\CdRom%d", 0, 15
+"/dev/hda", FH_SDA, "\\Device\\Harddisk%d\\Partition%d", 1, 16, -1
+"/dev/hdb", FH_SDB, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 15
+"/dev/hdc", FH_SDC, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 31
+"/dev/hdd", FH_SDD, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 47
+"/dev/hde", FH_SDE, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 63
+"/dev/hdf", FH_SDF, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 79
+"/dev/hdg", FH_SDG, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 95
+"/dev/hdh", FH_SDH, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 111
+"/dev/hdi", FH_SDI, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 127
+"/dev/hdj", FH_SDJ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 143
+"/dev/hdk", FH_SDK, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 159
+"/dev/hdl", FH_SDL, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 175
+"/dev/hdm", FH_SDM, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 191
+"/dev/hdn", FH_SDN, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 207
+"/dev/hdo", FH_SDO, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 223
+"/dev/hdp", FH_SDP, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 239
+"/dev/hdq", FH_SDQ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 255 /* FIXME 8 bit lunacy */
+"/dev/hdr", FH_SDR, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 271
+"/dev/hds", FH_SDS, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 287
+"/dev/hdt", FH_SDT, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 303
+"/dev/hdu", FH_SDU, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 319
+"/dev/hdv", FH_SDV, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 335
+"/dev/hdw", FH_SDW, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 351
+"/dev/hdx", FH_SDX, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 367
+"/dev/hdy", FH_SDY, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 383
+"/dev/hdz", FH_SDZ, "\\Device\\Harddisk%d\\Partition%d", 1, 16, 399
+"/dev/rawdrive", FH_RAWDRIVE, "\\DosDevices\\%c:", 0, 0, 0, 0
+":bad:", FH_BAD, ":bad:", 0, 0, 0, 0
+%%
+void
+device::parse (const char *s)
+{
+ size_t len = strlen (s);
+ const device *dev = lookup (s, len);
+ unsigned unit = 0;
+
+ if (!dev || !*dev)
+ {
+ size_t prior_len = len;
+ while (len-- > 0 && isdigit (s[len]))
+ continue;
+ if (++len < prior_len)
+ {
+ dev = lookup (s, len);
+ if (!dev || (!dev->upper && !dev->devn == FH_TTY))
+ dev = NULL;
+ else
+ {
+ unsigned n = atoi (s + len);
+ if (dev->devn == FH_TTY)
+ dev = ttys_dev; // SIGH
+ if (n >= dev->lower && n <= dev->upper)
+ unit = n;
+ }
+ }
+ }
+
+ if (!dev || !*dev)
+ *this = *fs_dev;
+ else if (dev->devn == FH_TTY)
+ tty_to_real_device ();
+ else
+ {
+ *this = *dev;
+ if (!setunit (unit))
+ devn = 0;
+ }
+}
+
+void
+device::init ()
+{
+ /* nothing to do... yet */
+}
+
+void
+device::parse (_major_t major, _minor_t minor)
+{
+ _dev_t dev = FHDEV (major, 0);
+
+ devn = 0;
+
+ unsigned i;
+ for (i = 0; i < (sizeof (unit_devices) / sizeof (unit_devices[0])); i++)
+ if (unit_devices[i]->devn == dev)
+ {
+ *this = *unit_devices[i];
+ this->setunit (minor);
+ goto out;
+ }
+
+ dev = FHDEV (major, minor);
+ for (i = 0; i < (sizeof (uniq_devices) / sizeof (uniq_devices[0])); i++)
+ if (uniq_devices[i]->devn == dev)
+ {
+ *this = *uniq_devices[i];
+ break;
+ }
+
+out:
+ if (!*this)
+ devn = FHDEV (major, minor);
+ return;
+}
+
+void
+device::parse (_dev_t dev)
+{
+ parse (_major (dev), _minor (dev));
+}
+
+void
+device::tty_to_real_device ()
+{
+ if (!real_tty_attached (myself))
+ *this = myself->ctty < 0 ? *bad_dev : *console_dev;
+ else
+ {
+ *this = *ttys_dev;
+ setunit (myself->ctty);
+ }
+}
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
new file mode 100644
index 000000000..b717e9635
--- /dev/null
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -0,0 +1,207 @@
+/* fhandler_fifo.cc. See fhandler.h for a description of the fhandler classes.
+
+ Copyright 2002 Red Hat, Inc.
+
+ This file is part of Cygwin.
+
+ This software is a copyrighted work licensed under the terms of the
+ Cygwin license. Please consult the file "CYGWIN_LICENSE" for
+ details. */
+
+#include "winsup.h"
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "cygerrno.h"
+#include "perprocess.h"
+#include "security.h"
+#include "path.h"
+#include "fhandler.h"
+#include "dtable.h"
+#include "cygheap.h"
+#include "pinfo.h"
+
+fhandler_fifo::fhandler_fifo ()
+ : fhandler_pipe (), output_handle (NULL), owner (NULL), upand (0),
+ read_use (0), write_use (0)
+{
+}
+
+void
+fhandler_fifo::set_use (int incr)
+{
+ long oread_use = read_use;
+
+ if (get_flags () & (O_WRONLY | O_APPEND))
+ write_use += incr;
+ else if (get_flags () & O_RDWR)
+ {
+ write_use += incr;
+ read_use += incr;
+ }
+ else
+ read_use += incr;
+
+ if (incr >= 0)
+ return;
+ char buf[24];
+ __small_sprintf (buf, "%x.%x", upand, myself->pid);
+ ATOM ant = GlobalFindAtom (buf);
+ if (!ant)
+ return;
+ if (read_use <= 0 && oread_use != read_use)
+ {
+ HANDLE h = get_handle ();
+ if (h)
+ {
+ set_io_handle (NULL);
+ CloseHandle (h);
+ }
+ DeleteAtom (ant);
+ }
+}
+
+int
+fhandler_fifo::close ()
+{
+ fhandler_pipe::close ();
+ CloseHandle (get_output_handle ());
+ set_use (-1);
+ return 0;
+}
+
+#define DUMMY_O_RDONLY 4
+int
+fhandler_fifo::open_not_mine (int flags)
+{
+ char buf[24];
+ winpids pids;
+ static int flagtypes[] = {DUMMY_O_RDONLY | O_RDWR, O_WRONLY | O_APPEND | O_RDWR};
+ HANDLE *usehandles[2] = {&(get_handle ()), &(get_output_handle ())};
+ int res;
+
+ for (unsigned i = 0; i < pids.npids; i++)
+ {
+ _pinfo *p = pids[i];
+ __small_sprintf (buf, "%x.%x", upand, p->pid);
+ if (!GlobalFindAtom (buf))
+ continue;
+
+ HANDLE hp = OpenProcess (PROCESS_DUP_HANDLE, false, p->dwProcessId);
+ if (!hp)
+ {
+ __seterrno ();
+ goto err;
+ }
+
+ HANDLE handles[2];
+ commune_result r;
+ r = p->commune_send (PICOM_FIFO, upand);
+ flags = (flags & (O_RDWR | O_WRONLY | O_APPEND)) ?: DUMMY_O_RDONLY;
+ for (int i = 0; i < 2; i++)
+ {
+ if (!(flags & flagtypes[i]))
+ continue;
+ if (!DuplicateHandle (hp, r.handles[i], hMainProc, usehandles[i], 0,
+ false, DUPLICATE_SAME_ACCESS))
+ {
+ debug_printf ("couldn't duplicate handle %d/%p, %E", i, handles[i]);
+ __seterrno ();
+ goto err;
+ }
+
+ if (i == 0)
+ {
+ read_state = CreateEvent (&sec_none_nih, FALSE, FALSE, NULL);
+ set_need_fork_fixup ();
+ }
+ }
+ CloseHandle (hp);
+
+ res = 1;
+ set_flags (flags);
+ goto out;
+ }
+
+ set_errno (EAGAIN);
+
+err:
+ res = 0;
+ debug_printf ("failed");
+
+out:
+ debug_printf ("res %d", res);
+ return res;
+}
+
+int
+fhandler_fifo::open (int flags, mode_t)
+{
+ int res = 1;
+ char buf[24];
+
+ upand = GlobalAddAtom (pc);
+ __small_sprintf (buf, "%x.owner", upand);
+ debug_printf ("mutex %s", buf);
+
+ HANDLE h = CreateMutex (&sec_none, false, buf);
+ if (!h)
+ goto errnout;
+
+ if (GetLastError () == ERROR_ALREADY_EXISTS)
+ {
+ CloseHandle (h);
+ return open_not_mine (flags);
+ }
+
+ fhandler_pipe *fhs[2];
+ if (create (fhs, 0, flags, true))
+ {
+ CloseHandle (h);
+ goto errout;
+ }
+
+ set_flags (fhs[0]->get_flags ());
+ set_io_handle (fhs[0]->get_handle ());
+ set_output_handle (fhs[1]->get_handle ());
+ guard = fhs[0]->guard;
+ read_state = fhs[0]->read_state;
+ writepipe_exists = fhs[1]->writepipe_exists;
+ orig_pid = fhs[0]->orig_pid;
+ id = fhs[0]->id;
+ delete (fhs[0]);
+ delete (fhs[1]);
+ set_use (1);
+ __small_sprintf (buf, "%x.%x", upand, myself->pid);
+ (void) GlobalAddAtom (buf);
+ goto out;
+
+errnout:
+ __seterrno ();
+errout:
+ res = 0;
+
+out:
+ debug_printf ("returning %d, errno %d", res, get_errno ());
+ return res;
+}
+
+int
+fhandler_fifo::dup (fhandler_base * child)
+{
+ int res = fhandler_pipe::dup (child);
+ if (!res)
+ {
+ fhandler_fifo *ff = (fhandler_fifo *) child;
+
+ if (!DuplicateHandle (hMainProc, get_output_handle (), hMainProc,
+ &ff->get_output_handle (), false, true,
+ DUPLICATE_SAME_ACCESS))
+ {
+ child->close ();
+ res = -1;
+ }
+ }
+ return 0;
+}
diff --git a/winsup/cygwin/fhandler_nodevice.cc b/winsup/cygwin/fhandler_nodevice.cc
new file mode 100644
index 000000000..22281d5d3
--- /dev/null
+++ b/winsup/cygwin/fhandler_nodevice.cc
@@ -0,0 +1,40 @@
+/* fhandler.cc. See console.cc for fhandler_console functions.
+
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license. Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#include "winsup.h"
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/cygwin.h>
+#include <sys/uio.h>
+#include <signal.h>
+#include "cygerrno.h"
+#include "perprocess.h"
+#include "security.h"
+#include "cygwin/version.h"
+#include "path.h"
+#include "fhandler.h"
+#include "dtable.h"
+#include "cygheap.h"
+#include "shared_info.h"
+#include "pinfo.h"
+#include <assert.h>
+#include <limits.h>
+
+int
+fhandler_nodevice::open (int, mode_t)
+{
+ set_errno (ENXIO);
+ return 0;
+}
+
+fhandler_nodevice::fhandler_nodevice ()
+{
+}
diff --git a/winsup/cygwin/pinfo.h b/winsup/cygwin/pinfo.h
index 518252c27..97c2c3d58 100644
--- a/winsup/cygwin/pinfo.h
+++ b/winsup/cygwin/pinfo.h
@@ -234,6 +234,8 @@ void __stdcall set_myself (pid_t pid, HANDLE h = NULL);
extern pinfo myself;
#define _P_VFORK 0
+#define _P_SYSTEM 512
+
extern void __stdcall pinfo_fixup_after_fork ();
extern HANDLE hexec_proc;
diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc
index b6e126b82..c66e411f4 100644
--- a/winsup/cygwin/spawn.cc
+++ b/winsup/cygwin/spawn.cc
@@ -1,6 +1,6 @@
/* spawn.cc
- Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+ Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc.
This file is part of Cygwin.
@@ -21,8 +21,8 @@ details. */
#include "cygerrno.h"
#include <sys/cygwin.h>
#include "security.h"
-#include "fhandler.h"
#include "path.h"
+#include "fhandler.h"
#include "dtable.h"
#include "sigproc.h"
#include "cygheap.h"
@@ -686,6 +686,22 @@ spawn_guts (const char * prog_arg, const char *const *argv,
&si,
&pi);
}
+
+ /* FIXME: There is a small race here */
+
+ sigset_t old_mask;
+ _sig_func_ptr oldint = (_sig_func_ptr) NULL;
+ _sig_func_ptr oldquit = (_sig_func_ptr) NULL;
+ if (mode == _P_SYSTEM)
+ {
+ sigset_t child_block;
+ oldint = signal (SIGINT, SIG_IGN);
+ oldquit = signal (SIGQUIT, SIG_IGN);
+ sigemptyset (&child_block);
+ sigaddset (&child_block, SIGCHLD);
+ (void) sigprocmask (SIG_BLOCK, &child_block, &old_mask);
+ }
+
/* Restore impersonation. In case of _P_OVERLAY this isn't
allowed since it would overwrite child data. */
if (mode != _P_OVERLAY)
@@ -867,7 +883,14 @@ spawn_guts (const char * prog_arg, const char *const *argv,
myself->exit (res, 1);
break;
case _P_WAIT:
+ case _P_SYSTEM:
waitpid (cygpid, (int *) &res, 0);
+ if (mode == _P_SYSTEM)
+ {
+ signal (SIGINT, oldint);
+ signal (SIGQUIT, oldquit);
+ sigprocmask (SIG_SETMASK, &old_mask, NULL);
+ }
break;
case _P_DETACH:
res = 0; /* Lose all memory of this child. */
@@ -923,6 +946,7 @@ spawnve (int mode, const char *path, const char *const *argv,
case _P_NOWAITO:
case _P_WAIT:
case _P_DETACH:
+ case _P_SYSTEM:
subproc_init ();
ret = spawn_guts (path, argv, envp, mode);
if (vf)
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 11cacd5ed..9af0434ec 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -1450,21 +1450,6 @@ done:
return res;
}
-struct system_cleanup_args
-{
- _sig_func_ptr oldint, oldquit;
- sigset_t old_mask;
-};
-
-static void system_cleanup (void *args)
-{
- struct system_cleanup_args *cleanup_args = (struct system_cleanup_args *) args;
-
- signal (SIGINT, cleanup_args->oldint);
- signal (SIGQUIT, cleanup_args->oldquit);
- (void) sigprocmask (SIG_SETMASK, &cleanup_args->old_mask, 0);
-}
-
extern "C" int
system (const char *cmdstring)
{
@@ -1476,34 +1461,22 @@ system (const char *cmdstring)
sigframe thisframe (mainthread);
int res;
const char* command[4];
- struct system_cleanup_args cleanup_args;
- sigset_t child_block;
if (cmdstring == (const char *) NULL)
- return 1;
-
- cleanup_args.oldint = signal (SIGINT, SIG_IGN);
- cleanup_args.oldquit = signal (SIGQUIT, SIG_IGN);
- sigemptyset (&child_block);
- sigaddset (&child_block, SIGCHLD);
- (void) sigprocmask (SIG_BLOCK, &child_block, &cleanup_args.old_mask);
+ return 1;
command[0] = "sh";
command[1] = "-c";
command[2] = cmdstring;
command[3] = (const char *) NULL;
- pthread_cleanup_push (system_cleanup, (void *) &cleanup_args);
-
- if ((res = spawnvp (_P_WAIT, "sh", command)) == -1)
+ if ((res = spawnvp (_P_SYSTEM, "sh", command)) == -1)
{
// when exec fails, return value should be as if shell
// executed exit (127)
res = 127;
}
- pthread_cleanup_pop (1);
-
return res;
}