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Diffstat (limited to 'src/process/posix_spawn.c')
-rw-r--r--src/process/posix_spawn.c13
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;