From a9f43ef464f71b0d379524b2a6294092332c9a30 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 13 Sep 2005 18:41:48 +0000 Subject: (__spawni): Automatically recognize some more cases when we can use vfork. --- sysdeps/posix/spawni.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'sysdeps') diff --git a/sysdeps/posix/spawni.c b/sysdeps/posix/spawni.c index 69106c480e..27699f4df8 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, 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2000,2001,2002,2003,2004,2005 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 @@ -81,7 +81,15 @@ __spawni (pid_t *pid, const char *file, short int flags = attrp == NULL ? 0 : attrp->__flags; /* Generate the new process. */ - if (flags & POSIX_SPAWN_USEVFORK) + if ((flags & POSIX_SPAWN_USEVFORK) != 0 + /* If no major work is done, allow using vfork. Note that we + might perform the path searching. But this would be done by + a call to execvp(), too, and such a call must be OK according + to POSIX. */ + || ((flags & (POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETSIGDEF + | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER + | POSIX_SPAWN_SETPGROUP | POSIX_SPAWN_RESETIDS)) == 0 + && file_actions == NULL)) new_pid = __vfork (); else new_pid = __fork (); -- cgit v1.2.3