diff options
author | Colin Guthrie <pulse@colin.guthr.ie> | 2008-08-22 10:56:45 +0100 |
---|---|---|
committer | Colin Guthrie <pulse@colin.guthr.ie> | 2008-08-22 10:56:45 +0100 |
commit | 4282b726ee57ebae846ce400fd1cae43c4dfb2ae (patch) | |
tree | 2cb32c3bc52a9b9eab50a6195f3ccb190332f7d8 /src/pulsecore/fdsem.c | |
parent | bf17dbb101d509e885bf689f4f13f75e4b3ab58d (diff) | |
parent | dc9b8dce309728b47059b9b44fd3bbd3798667ae (diff) |
Merge branch 'master' of git://git.0pointer.de/pulseaudio
Diffstat (limited to 'src/pulsecore/fdsem.c')
-rw-r--r-- | src/pulsecore/fdsem.c | 54 |
1 files changed, 15 insertions, 39 deletions
diff --git a/src/pulsecore/fdsem.c b/src/pulsecore/fdsem.c index 1531e3db..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; @@ -195,7 +171,7 @@ static void flush(pa_fdsem *f) { continue; } - } while (pa_atomic_sub(&f->data->in_pipe, r) > r); + } while (pa_atomic_sub(&f->data->in_pipe, (int) r) > (int) r); } void pa_fdsem_post(pa_fdsem *f) { @@ -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; @@ -265,7 +241,7 @@ void pa_fdsem_wait(pa_fdsem *f) { continue; } - pa_atomic_sub(&f->data->in_pipe, r); + pa_atomic_sub(&f->data->in_pipe, (int) r); } pa_assert_se(pa_atomic_dec(&f->data->waiting) >= 1); @@ -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 |