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authorLennart Poettering <lennart@poettering.net>2008-08-19 23:18:20 +0200
committerLennart Poettering <lennart@poettering.net>2008-08-19 23:18:20 +0200
commit6baec251d292cc4b52bafc8eb598c8a95c09cc91 (patch)
tree8556d0c2f8426748fe6c44c5dcbebeb9eec5685b /src/pulsecore/fdsem.c
parent8e7178755193949d42bfe5a6c487e7fcdd0c51bd (diff)
use final glibc eventfd() instead of our homegrown syscall invocations
Diffstat (limited to 'src/pulsecore/fdsem.c')
-rw-r--r--src/pulsecore/fdsem.c50
1 files changed, 13 insertions, 37 deletions
diff --git a/src/pulsecore/fdsem.c b/src/pulsecore/fdsem.c
index 2a7ae589..380f34f5 100644
--- a/src/pulsecore/fdsem.c
+++ b/src/pulsecore/fdsem.c
@@ -41,39 +41,15 @@
#include <pulsecore/pipe.h>
#endif
-#ifdef __linux__
-
-#if !defined(__NR_eventfd) && defined(__i386__)
-#define __NR_eventfd 323
-#endif
-
-#if !defined(__NR_eventfd) && defined(__x86_64__)
-#define __NR_eventfd 284
-#endif
-
-#if !defined(__NR_eventfd) && defined(__arm__)
-#define __NR_eventfd (__NR_SYSCALL_BASE+351)
-#endif
-
-#if !defined(SYS_eventfd) && defined(__NR_eventfd)
-#define SYS_eventfd __NR_eventfd
-#endif
-
-#ifdef SYS_eventfd
-#define HAVE_EVENTFD
-
-static inline long eventfd(unsigned count) {
- return syscall(SYS_eventfd, count);
-}
-
-#endif
+#ifdef HAVE_SYS_EVENTFD_H
+#include <sys/eventfd.h>
#endif
#include "fdsem.h"
struct pa_fdsem {
int fds[2];
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
int efd;
#endif
@@ -85,8 +61,8 @@ pa_fdsem *pa_fdsem_new(void) {
f = pa_xmalloc(PA_ALIGN(sizeof(pa_fdsem)) + PA_ALIGN(sizeof(pa_fdsem_data)));
-#ifdef HAVE_EVENTFD
- if ((f->efd = eventfd(0)) >= 0) {
+#ifdef HAVE_SYS_EVENTFD_H
+ if ((f->efd = eventfd(0, 0)) >= 0) {
pa_make_fd_cloexec(f->efd);
f->fds[0] = f->fds[1] = -1;
} else
@@ -116,7 +92,7 @@ pa_fdsem *pa_fdsem_open_shm(pa_fdsem_data *data, int event_fd) {
pa_assert(data);
pa_assert(event_fd >= 0);
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
f = pa_xnew(pa_fdsem, 1);
f->efd = event_fd;
@@ -134,11 +110,11 @@ pa_fdsem *pa_fdsem_new_shm(pa_fdsem_data *data, int* event_fd) {
pa_assert(data);
pa_assert(event_fd);
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
f = pa_xnew(pa_fdsem, 1);
- if ((f->efd = eventfd(0)) < 0) {
+ if ((f->efd = eventfd(0, 0)) < 0) {
pa_xfree(f);
return NULL;
}
@@ -159,7 +135,7 @@ pa_fdsem *pa_fdsem_new_shm(pa_fdsem_data *data, int* event_fd) {
void pa_fdsem_free(pa_fdsem *f) {
pa_assert(f);
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
if (f->efd >= 0)
pa_close(f->efd);
#endif
@@ -178,7 +154,7 @@ static void flush(pa_fdsem *f) {
do {
char x[10];
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
if (f->efd >= 0) {
uint64_t u;
@@ -211,7 +187,7 @@ void pa_fdsem_post(pa_fdsem *f) {
for (;;) {
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
if (f->efd >= 0) {
uint64_t u = 1;
@@ -247,7 +223,7 @@ void pa_fdsem_wait(pa_fdsem *f) {
char x[10];
ssize_t r;
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
if (f->efd >= 0) {
uint64_t u;
@@ -285,7 +261,7 @@ int pa_fdsem_try(pa_fdsem *f) {
int pa_fdsem_get(pa_fdsem *f) {
pa_assert(f);
-#ifdef HAVE_EVENTFD
+#ifdef HAVE_SYS_EVENTFD_H
if (f->efd >= 0)
return f->efd;
#endif