diff options
Diffstat (limited to 'src/process/posix_spawn.c')
| -rw-r--r-- | src/process/posix_spawn.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/src/process/posix_spawn.c b/src/process/posix_spawn.c index dd450129..e6a031cc 100644 --- a/src/process/posix_spawn.c +++ b/src/process/posix_spawn.c @@ -10,12 +10,6 @@ #include "fdop.h" #include "libc.h" -static void dummy_0() -{ -} -weak_alias(dummy_0, __acquire_ptc); -weak_alias(dummy_0, __release_ptc); - struct args { int p[2]; sigset_t oldmask; @@ -144,10 +138,6 @@ int __posix_spawnx(pid_t *restrict res, const char *restrict path, args.envp = envp; pthread_sigmask(SIG_BLOCK, SIGALL_SET, &args.oldmask); - /* This lock prevents setuid/setgid operations while the parent - * is sharing memory with the child. Situations where processes - * with different permissions share VM are fundamentally unsafe. */ - __acquire_ptc(); pid = __clone(child, stack+sizeof stack, CLONE_VM|SIGCHLD, &args); close(args.p[1]); @@ -158,9 +148,6 @@ int __posix_spawnx(pid_t *restrict res, const char *restrict path, ec = -pid; } - /* At this point, the child has either exited or successfully - * performed exec, so the lock may be released. */ - __release_ptc(); close(args.p[0]); if (!ec) *res = pid; |