mirrors/make-dfsg
1
0
Fork 0
mirror of https://salsa.debian.org/srivasta/make-dfsg.git synced 2024-12-27 23:06:54 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Remove use of vfork().

Browse source 
GCC was giving us warnings, most OS's now just run fork() when you call
vfork(), and looking at the standard definition of vfork() we are a long way
from using it safely anyway: you're not allowed to even call a function before
you exec().
This commit is contained in:
Paul Smith 2013-05-06 00:22:27 -04:00
parent 7c77486d1f
commit 94735f0ad7
7 changed files with 6 additions and 42 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
config.ami.template
View file

@ -109,9 +109,6 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
/* Define if utime(file, NULL) sets file's timestamp to the present. */
/* #undef HAVE_UTIME_NULL */
/* Define if you have <vfork.h>. */
/* #undef HAVE_VFORK_H */
/* Define if you have the wait3 system call. */
/* #undef HAVE_WAIT3 */
@ -176,9 +173,6 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
instead of <sys/cpustats.h>. */
/* #undef UMAX4_3 */
/* Define vfork as fork if vfork does not work. */
/* #undef vfork */
/* Name of this package (needed by automake) */
#define PACKAGE "%PACKAGE%"

6
config.h-vms.template
View file

@ -138,9 +138,6 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
/* Define to 1 if utime(file, NULL) sets file's timestamp to the present. */
/* #undef HAVE_UTIME_NULL */
/* Define to 1 if you have <vfork.h>. */
/* #undef HAVE_VFORK_H */
/* Define to 1 if you have the wait3 system call. */
/* #undef HAVE_WAIT3 */
@ -210,9 +207,6 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
instead of <sys/cpustats.h>. */
/* #undef UMAX4_3 */
/* Define vfork as fork if vfork does not work. */
/* #undef vfork */
/* Name of this package (needed by automake) */
#define PACKAGE "%PACKAGE%"

18
config.h.W32.template
View file

@ -123,9 +123,6 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
/* Define to 1 if you have the 'fileno' function. */
#define HAVE_FILENO 1
/* Define to 1 if you have the 'fork' function. */
/* #undef HAVE_FORK */
/* Define to 1 if you have the 'getcwd' function. */
#define HAVE_GETCWD 1
@ -339,24 +336,12 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
#define HAVE_UNISTD_H 1
#endif
/* Define to 1 if you have the 'vfork' function. */
/* #undef HAVE_VFORK */
/* Define to 1 if you have the <vfork.h> header file. */
/* #undef HAVE_VFORK_H */
/* Define to 1 if you have the 'wait3' function. */
/* #undef HAVE_WAIT3 */
/* Define to 1 if you have the 'waitpid' function. */
/* #undef HAVE_WAITPID */
/* Define to 1 if 'fork' works. */
/* #undef HAVE_WORKING_FORK */
/* Define to 1 if 'vfork' works. */
/* #undef HAVE_WORKING_VFORK */
/* Build host information. */
#define MAKE_HOST "Windows32"
@ -498,9 +483,6 @@ this program. If not, see <http://www.gnu.org/licenses/>. */
#define uintmax_t unsigned long
#endif
/* Define as 'fork' if 'vfork' does not work. */
/*#define vfork fork*/
/* Define if you have <sys/wait.h> that is POSIX.1 compatible. */
/* #undef HAVE_SYS_WAIT_H */

1
configure.ac
View file

@ -153,7 +153,6 @@ AC_CHECK_FUNCS([strcasecmp strncasecmp strcmpi strncmpi stricmp strnicmp])
AC_FUNC_STRCOLL
AC_FUNC_ALLOCA
AC_FUNC_FORK([])
AC_FUNC_CLOSEDIR_VOID
# See if the user wants to add (or not) GNU Guile support

9
job.c
View file

@ -1380,9 +1380,8 @@ start_job_command (struct child *child)
#endif
int print_cmd;
int sync_cmd;
int flags;
char *p;
/* Must be volatile to silence bogus GCC warning about longjmp/vfork. */
volatile int flags;
#ifdef VMS
char *argv;
#else
@ -1677,7 +1676,7 @@ start_job_command (struct child *child)
#ifdef VMS
if (!child_execute_job (argv, child)) {
/* Fork failed! */
perror_with_name ("vfork", "");
perror_with_name ("fork", "");
goto error;
}
@ -1718,7 +1717,7 @@ start_job_command (struct child *child)
#else /* !__EMX__ */
child->pid = vfork ();
child->pid = fork ();
environ = parent_environ; /* Restore value child may have clobbered. */
if (child->pid == 0)
{
@ -1764,7 +1763,7 @@ start_job_command (struct child *child)
{
/* Fork failed! */
unblock_sigs ();
perror_with_name ("vfork", "");
perror_with_name ("fork", "");
goto error;
}
# endif /* !__EMX__ */

4
makeint.h
View file

@ -492,10 +492,6 @@ typedef int (*load_func_t)(const gmk_floc *flocp);
int load_file (const gmk_floc *flocp, const char **filename, int noerror,
void **dlp);
#ifdef HAVE_VFORK_H
# include <vfork.h>
#endif
/* We omit these declarations on non-POSIX systems which define _POSIX_VERSION,
because such systems often declare them in header files anyway. */

4
remote-cstms.c
View file

@ -221,11 +221,11 @@ start_remote_job (char **argv, char **envp, int stdin_fd,
fflush (stdout);
fflush (stderr);
pid = vfork ();
pid = fork ();
if (pid < 0)
{
/* The fork failed! */
perror_with_name ("vfork", "");
perror_with_name ("fork", "");
return 1;
}
else if (pid == 0)