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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-07-07 22:09:29 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-07-07 22:10:24 +0200 |
| commit | d63387d81d575ba8187345d216070595bd58cb2b (patch) | |
| tree | 3227e99c082ac5b24dbb1b3c889e7375870c376d | |
| parent | 91927b7c76437db860cd86a7714476b56bb39d07 (diff) | |
| download | glibc-d63387d81d575ba8187345d216070595bd58cb2b.tar.gz glibc-d63387d81d575ba8187345d216070595bd58cb2b.tar.xz glibc-d63387d81d575ba8187345d216070595bd58cb2b.zip | |
hurd: Evaluate fd before entering the critical section
* sysdeps/hurd/include/hurd/fd.h (HURD_FD_PORT_USE_CANCEL): Evaluate fd before calling _hurd_critical_section_lock.
| -rw-r--r-- | sysdeps/hurd/include/hurd/fd.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/hurd/include/hurd/fd.h b/sysdeps/hurd/include/hurd/fd.h index 3a6cdc7f36..1985b6fbb2 100644 --- a/sysdeps/hurd/include/hurd/fd.h +++ b/sysdeps/hurd/include/hurd/fd.h @@ -20,10 +20,11 @@ extern void _hurd_fd_port_use_cleanup (void *arg); /* Like HURD_FD_PORT_USE, but cleans fd on cancel. */ #define HURD_FD_PORT_USE_CANCEL(fd, expr) \ ({ error_t __result; \ - void *__crit = _hurd_critical_section_lock (); \ struct _hurd_fd_port_use_data __d; \ io_t port, ctty; \ + void *__crit; \ __d.d = (fd); \ + __crit = _hurd_critical_section_lock (); \ __spin_lock (&__d.d->port.lock); \ if (__d.d->port.port == MACH_PORT_NULL) \ { \ |