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* [glibc/vineet/arc-port-latest] hurd: Evaluate fd before entering the critical section
@ 2020-07-09 16:35 Vineet Gupta
0 siblings, 0 replies; only message in thread
From: Vineet Gupta @ 2020-07-09 16:35 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d63387d81d575ba8187345d216070595bd58cb2b
commit d63387d81d575ba8187345d216070595bd58cb2b
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue Jul 7 22:09:29 2020 +0200
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.
Diff:
---
sysdeps/hurd/include/hurd/fd.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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) \
{ \
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