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check euid when creating update thread

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Vincent Wei
2023-07-21 11:52:52 +08:00
parent 1611a56754
commit 5f8a88c0a2
2 changed files with 16 additions and 11 deletions
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src/newgal/drm/drmvideo.c
+15 -10
View File
@@ -47,7 +47,7 @@
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
// #define _DEBUG #define _DEBUG
#include "common.h" #include "common.h"
@@ -2630,19 +2630,27 @@ error:
static int create_async_updater(_THIS) static int create_async_updater(_THIS)
{ {
if (sem_init(&this->hidden->sync_sem, 0, 0)) if (sem_init(&this->hidden->sync_sem, 0, 0)) {
_ERR_PRINTF("NEWGAL>DRM: failed to create sync. semaphore: %m\n");
return -1; return -1;
}
pthread_attr_t attr; pthread_attr_t attr;
pthread_attr_init(&attr); pthread_attr_init(&attr);
struct sched_param sp = { 90 }; #ifdef __LINUX__
pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED); if (geteuid() == 0) {
pthread_attr_setschedpolicy(&attr, SCHED_FIFO); struct sched_param sp = { 99 };
pthread_attr_setschedparam(&attr, &sp); pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
pthread_attr_setschedparam(&attr, &sp);
}
#endif
if (pthread_create(&this->hidden->update_thd, &attr, if (pthread_create(&this->hidden->update_thd, &attr,
task_do_update, this)) task_do_update, this)) {
_ERR_PRINTF("NEWGAL>DRM: failed to create update thread: %m\n");
return -1; return -1;
}
sem_wait(&this->hidden->sync_sem); sem_wait(&this->hidden->sync_sem);
pthread_attr_destroy(&attr); pthread_attr_destroy(&attr);
@@ -3821,9 +3829,6 @@ static BOOL DRM_SyncUpdate(_THIS)
this->hidden->driver_ops->flush_driver(this->hidden->driver); this->hidden->driver_ops->flush_driver(this->hidden->driver);
} }
_DBG_PRINTF("called: %d, %d, %d, %d\n", bound.left, bound.top,
bound.right, bound.bottom);
{ {
drmModeClip clip = { bound.left, bound.top, drmModeClip clip = { bound.left, bound.top,
bound.right, bound.bottom }; bound.right, bound.bottom };
src/newgal/shadow/shadow.c
+1 -1
View File
@@ -750,7 +750,7 @@ static int create_async_updater(_THIS)
pthread_attr_init(&attr); pthread_attr_init(&attr);
#ifdef __LINUX__ #ifdef __LINUX__
if (geteuid() == 0) { if (geteuid() == 0) {
struct sched_param sp = { 90 }; struct sched_param sp = { 99 };
pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED); pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED);
pthread_attr_setschedpolicy(&attr, SCHED_FIFO); pthread_attr_setschedpolicy(&attr, SCHED_FIFO);
pthread_attr_setschedparam(&attr, &sp); pthread_attr_setschedparam(&attr, &sp);