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| author | Ulrich Drepper <drepper@redhat.com> | 2004-09-12 18:05:37 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-09-12 18:05:37 +0000 |
| commit | 9ad684229e7cf2f0b3c6068b2122701d167a5794 (patch) | |
| tree | 74e661e3991005d7fb582984a493b5b918f11189 /sysdeps/posix | |
| parent | cf244b74a04435b6954d5499a09fa97a628bc3ab (diff) | |
| download | glibc-9ad684229e7cf2f0b3c6068b2122701d167a5794.tar glibc-9ad684229e7cf2f0b3c6068b2122701d167a5794.tar.gz glibc-9ad684229e7cf2f0b3c6068b2122701d167a5794.tar.bz2 glibc-9ad684229e7cf2f0b3c6068b2122701d167a5794.zip | |
Update.
* posix/spawn.h [__USE_GNU]: Define POSIX_SPAWN_USEVFORK.
* posix/spawnattr_setflags.c: Check whether any unknown bit is set
in FLAGS parameter and fail if this is the case.
* sysdeps/posix/spawni.c: Use vfork if POSIX_SPAWN_USEVFORK flag is
set.
Diffstat (limited to 'sysdeps/posix')
| -rw-r--r-- | sysdeps/posix/spawni.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c index f65a0957a7..69106c480e 100644 --- a/sysdeps/posix/spawni.c +++ b/sysdeps/posix/spawni.c @@ -1,5 +1,5 @@ /* Guts of POSIX spawn interface. Generic POSIX.1 version. - Copyright (C) 2000,01,02, 2003 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -76,10 +76,16 @@ __spawni (pid_t *pid, const char *file, char *path, *p, *name; size_t len; size_t pathlen; - short int flags; + + /* Do this once. */ + short int flags = attrp == NULL ? 0 : attrp->__flags; /* Generate the new process. */ - new_pid = __fork (); + if (flags & POSIX_SPAWN_USEVFORK) + new_pid = __vfork (); + else + new_pid = __fork (); + if (new_pid != 0) { if (new_pid < 0) @@ -92,9 +98,6 @@ __spawni (pid_t *pid, const char *file, return 0; } - /* Do this once. */ - flags = attrp == NULL ? 0 : attrp->__flags; - /* Set signal mask. */ if ((flags & POSIX_SPAWN_SETSIGMASK) != 0 && __sigprocmask (SIG_SETMASK, &attrp->__ss, NULL) != 0) |