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/* exec.cc: exec system call support.
Copyright 1996, 1997, 1998, 2000, 2001, 2002, 2009, 2011, 2012 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 <process.h>
#include "cygerrno.h"
#include "path.h"
#include "environ.h"
#include "sync.h"
#include "fhandler.h"
#include "dtable.h"
#include "pinfo.h"
#include "cygheap.h"
#include "winf.h"
extern "C" int
execl (const char *path, const char *arg0, ...)
{
int i;
va_list args;
const char *argv[1024];
va_start (args, arg0);
argv[0] = arg0;
i = 1;
do
argv[i] = va_arg (args, const char *);
while (argv[i++] != NULL);
va_end (args);
MALLOC_CHECK;
return spawnve (_P_OVERLAY, path, (char * const *) argv, cur_environ ());
}
extern "C" int
execle (const char *path, const char *arg0, ...)
{
int i;
va_list args;
const char *argv[1024];
const char * const *envp;
va_start (args, arg0);
argv[0] = arg0;
i = 1;
do
argv[i] = va_arg (args, const char *);
while (argv[i++] != NULL);
envp = va_arg (args, const char * const *);
va_end (args);
MALLOC_CHECK;
return spawnve (_P_OVERLAY, path, (char * const *) argv, envp);
}
extern "C" int
execlp (const char *file, const char *arg0, ...)
{
int i;
va_list args;
const char *argv[1024];
path_conv buf;
va_start (args, arg0);
argv[0] = arg0;
i = 1;
do
argv[i] = va_arg (args, const char *);
while (argv[i++] != NULL);
va_end (args);
MALLOC_CHECK;
return spawnve (_P_OVERLAY | _P_PATH_TYPE_EXEC,
find_exec (file, buf, "PATH=", FE_NNF) ?: "",
(char * const *) argv, cur_environ ());
}
extern "C" int
execv (const char *path, char * const *argv)
{
MALLOC_CHECK;
return spawnve (_P_OVERLAY, path, argv, cur_environ ());
}
extern "C" int
execve (const char *path, char *const argv[], char *const envp[])
{
MALLOC_CHECK;
return spawnve (_P_OVERLAY, path, argv, envp);
}
extern "C" int
execvp (const char *file, char * const *argv)
{
path_conv buf;
MALLOC_CHECK;
return spawnve (_P_OVERLAY | _P_PATH_TYPE_EXEC,
find_exec (file, buf, "PATH=", FE_NNF) ?: "",
argv, cur_environ ());
}
extern "C" int
execvpe (const char *file, char * const *argv, char *const *envp)
{
path_conv buf;
MALLOC_CHECK;
return spawnve (_P_OVERLAY | _P_PATH_TYPE_EXEC,
find_exec (file, buf, "PATH=", FE_NNF) ?: "",
argv, envp);
}
extern "C" int
fexecve (int fd, char * const *argv, char *const *envp)
{
cygheap_fdget cfd (fd);
if (cfd < 0)
{
syscall_printf ("-1 = fexecve (%d, %p, %p)", fd, argv, envp);
return -1;
}
MALLOC_CHECK;
return spawnve (_P_OVERLAY, cfd->pc.get_win32 (), argv, envp);
}
extern "C" pid_t
sexecve_is_bad ()
{
set_errno (ENOSYS);
return 0;
}
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