diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/compatfd.c | 5 | ||||
| -rw-r--r-- | util/coroutine-ucontext.c | 2 | ||||
| -rw-r--r-- | util/event_notifier-posix.c | 8 | ||||
| -rw-r--r-- | util/main-loop.c | 2 | ||||
| -rw-r--r-- | util/oslib-posix.c | 61 | ||||
| -rw-r--r-- | util/oslib-win32.c | 8 | ||||
| -rw-r--r-- | util/vhost-user-server.c | 4 |
7 files changed, 18 insertions, 72 deletions
diff --git a/util/compatfd.c b/util/compatfd.c index 55b6e0b7fb..147e39e2c6 100644 --- a/util/compatfd.c +++ b/util/compatfd.c @@ -60,14 +60,11 @@ static int qemu_signalfd_compat(const sigset_t *mask) info = g_malloc(sizeof(*info)); - if (pipe(fds) == -1) { + if (!g_unix_open_pipe(fds, FD_CLOEXEC, NULL)) { g_free(info); return -1; } - qemu_set_cloexec(fds[0]); - qemu_set_cloexec(fds[1]); - memcpy(&info->mask, mask, sizeof(*mask)); info->fd = fds[1]; diff --git a/util/coroutine-ucontext.c b/util/coroutine-ucontext.c index 904b375192..ed368e1a3e 100644 --- a/util/coroutine-ucontext.c +++ b/util/coroutine-ucontext.c @@ -30,7 +30,7 @@ #include <valgrind/valgrind.h> #endif -#if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer) +#ifdef QEMU_SANITIZE_ADDRESS #ifdef CONFIG_ASAN_IFACE_FIBER #define CONFIG_ASAN 1 #include <sanitizer/asan_interface.h> diff --git a/util/event_notifier-posix.c b/util/event_notifier-posix.c index 8dc30c5141..76420c5b56 100644 --- a/util/event_notifier-posix.c +++ b/util/event_notifier-posix.c @@ -49,16 +49,14 @@ int event_notifier_init(EventNotifier *e, int active) if (errno != ENOSYS) { return -errno; } - if (qemu_pipe(fds) < 0) { + if (!g_unix_open_pipe(fds, FD_CLOEXEC, NULL)) { return -errno; } - ret = fcntl_setfl(fds[0], O_NONBLOCK); - if (ret < 0) { + if (!g_unix_set_fd_nonblocking(fds[0], true, NULL)) { ret = -errno; goto fail; } - ret = fcntl_setfl(fds[1], O_NONBLOCK); - if (ret < 0) { + if (!g_unix_set_fd_nonblocking(fds[1], true, NULL)) { ret = -errno; goto fail; } diff --git a/util/main-loop.c b/util/main-loop.c index b7b0ce4ca0..9afac10dff 100644 --- a/util/main-loop.c +++ b/util/main-loop.c @@ -114,7 +114,7 @@ static int qemu_signal_init(Error **errp) return -errno; } - fcntl_setfl(sigfd, O_NONBLOCK); + g_unix_set_fd_nonblocking(sigfd, true, NULL); qemu_set_fd_handler(sigfd, sigfd_handler, NULL, (void *)(intptr_t)sigfd); diff --git a/util/oslib-posix.c b/util/oslib-posix.c index b8bf7d4070..477990f39b 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -224,32 +224,20 @@ void qemu_anon_ram_free(void *ptr, size_t size) qemu_ram_munmap(-1, ptr, size); } -void qemu_set_block(int fd) +void qemu_socket_set_block(int fd) { - int f; - f = fcntl(fd, F_GETFL); - assert(f != -1); - f = fcntl(fd, F_SETFL, f & ~O_NONBLOCK); - assert(f != -1); + g_unix_set_fd_nonblocking(fd, false, NULL); } -int qemu_try_set_nonblock(int fd) +int qemu_socket_try_set_nonblock(int fd) { - int f; - f = fcntl(fd, F_GETFL); - if (f == -1) { - return -errno; - } - if (fcntl(fd, F_SETFL, f | O_NONBLOCK) == -1) { - return -errno; - } - return 0; + return g_unix_set_fd_nonblocking(fd, true, NULL) ? 0 : -errno; } -void qemu_set_nonblock(int fd) +void qemu_socket_set_nonblock(int fd) { int f; - f = qemu_try_set_nonblock(fd); + f = qemu_socket_try_set_nonblock(fd); assert(f == 0); } @@ -274,28 +262,6 @@ void qemu_set_cloexec(int fd) assert(f != -1); } -/* - * Creates a pipe with FD_CLOEXEC set on both file descriptors - */ -int qemu_pipe(int pipefd[2]) -{ - int ret; - -#ifdef CONFIG_PIPE2 - ret = pipe2(pipefd, O_CLOEXEC); - if (ret != -1 || errno != ENOSYS) { - return ret; - } -#endif - ret = pipe(pipefd); - if (ret == 0) { - qemu_set_cloexec(pipefd[0]); - qemu_set_cloexec(pipefd[1]); - } - - return ret; -} - char * qemu_get_local_state_dir(void) { @@ -897,21 +863,6 @@ size_t qemu_get_host_physmem(void) return 0; } -/* Sets a specific flag */ -int fcntl_setfl(int fd, int flag) -{ - int flags; - - flags = fcntl(fd, F_GETFL); - if (flags == -1) { - return -errno; - } - if (fcntl(fd, F_SETFL, flags | flag) == -1) { - return -errno; - } - return 0; -} - int qemu_msync(void *addr, size_t length, int fd) { size_t align_mask = ~(qemu_real_host_page_size() - 1); diff --git a/util/oslib-win32.c b/util/oslib-win32.c index 9c1e8121fd..dafef4f157 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -184,14 +184,14 @@ static int socket_error(void) } } -void qemu_set_block(int fd) +void qemu_socket_set_block(int fd) { unsigned long opt = 0; WSAEventSelect(fd, NULL, 0); ioctlsocket(fd, FIONBIO, &opt); } -int qemu_try_set_nonblock(int fd) +int qemu_socket_try_set_nonblock(int fd) { unsigned long opt = 1; if (ioctlsocket(fd, FIONBIO, &opt) != NO_ERROR) { @@ -200,9 +200,9 @@ int qemu_try_set_nonblock(int fd) return 0; } -void qemu_set_nonblock(int fd) +void qemu_socket_set_nonblock(int fd) { - (void)qemu_try_set_nonblock(fd); + (void)qemu_socket_try_set_nonblock(fd); } int socket_set_fast_reuse(int fd) diff --git a/util/vhost-user-server.c b/util/vhost-user-server.c index f66fbba710..232984ace6 100644 --- a/util/vhost-user-server.c +++ b/util/vhost-user-server.c @@ -65,7 +65,7 @@ static void vmsg_unblock_fds(VhostUserMsg *vmsg) { int i; for (i = 0; i < vmsg->fd_num; i++) { - qemu_set_nonblock(vmsg->fds[i]); + qemu_socket_set_nonblock(vmsg->fds[i]); } } @@ -270,7 +270,7 @@ set_watch(VuDev *vu_dev, int fd, int vu_evt, vu_fd_watch->fd = fd; vu_fd_watch->cb = cb; - qemu_set_nonblock(fd); + qemu_socket_set_nonblock(fd); aio_set_fd_handler(server->ioc->ctx, fd, true, kick_handler, NULL, NULL, NULL, vu_fd_watch); vu_fd_watch->vu_dev = vu_dev; |