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venus: fix the RHEL8 build by using syscall for gettid

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src/virtio/vulkan/vn_common.c: In function ‘vn_ring_monitor_acquire’:
src/virtio/vulkan/vn_common.c:129:16: error: implicit declaration of function ‘gettid’; did you mean ‘getgid’? [-Werror=implicit-function-declaration]
  129 |    pid_t tid = gettid();

Reviewed-by: Yiwei Zhang <zzyiwei@chromium.org>
Reviewed-by: Ryan Neph <ryanneph@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22489>
This commit is contained in:
Marek Olšák
2023-04-13 15:38:03 -04:00
committed by Marge Bot
parent 2c5a2f1a05
commit 171d316402
1 changed files with 3 additions and 2 deletions
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5
src/virtio/vulkan/vn_common.c
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@@ -11,6 +11,7 @@
#include "vn_common.h"
#include <stdarg.h>
#include <sys/syscall.h>
#include "util/log.h"
#include "util/os_misc.h"
@@ -126,7 +127,7 @@ vn_extension_get_spec_version(const char *name)
static bool
vn_ring_monitor_acquire(struct vn_ring *ring)
{
pid_t tid = gettid();
pid_t tid = syscall(SYS_gettid);
if (!ring->monitor.threadid && tid != ring->monitor.threadid &&
mtx_trylock(&ring->monitor.mutex) == thrd_success) {
/* register as the only waiting thread that monitors the ring. */
@@ -138,7 +139,7 @@ vn_ring_monitor_acquire(struct vn_ring *ring)
void
vn_ring_monitor_release(struct vn_ring *ring)
{
if (gettid() != ring->monitor.threadid)
if (syscall(SYS_gettid) != ring->monitor.threadid)
return;
ring->monitor.threadid = 0;