mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-10-29 05:40:23 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

core-util: introduce FD_CLOEXEC wrappers for open/socket/pipe/accept

Browse source
This commit is contained in:
Lennart Poettering 2009-10-30 03:30:42 +01:00
parent 754644fa6e
commit 9c1a98953f
3 changed files with 86 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
configure.ac
View file

@ -445,7 +445,7 @@ AC_CHECK_FUNCS_ONCE([lstat])
# Non-standard
AC_CHECK_FUNCS_ONCE([setresuid setresgid setreuid setregid seteuid setegid ppoll strsignal sig2str strtof_l])
AC_CHECK_FUNCS_ONCE([setresuid setresgid setreuid setregid seteuid setegid ppoll strsignal sig2str strtof_l pipe2 accept4])
AC_FUNC_ALLOCA

79
src/pulsecore/core-util.c
View file

@ -2889,3 +2889,82 @@ const char *pa_get_temp_dir(void) {
return "/tmp";
}
int pa_open_cloexec(const char *fn, int flags, mode_t mode) {
int fd;
#ifdef O_NOCTTY
flags |= O_NOCTTY;
#endif
#ifdef O_CLOEXEC
if ((fd = open(fn, flags|O_CLOEXEC, mode)) >= 0)
return fd;
if (errno != EINVAL)
return fd;
#endif
if ((fd = open(fn, flags, mode)) < 0)
return fd;
pa_make_fd_cloexec(fd);
return fd;
}
int pa_socket_cloexec(int domain, int type, int protocol) {
int fd;
#ifdef SOCK_CLOEXEC
if ((fd = socket(domain, type | SOCK_CLOEXEC, protocol)) >= 0)
return fd;
if (errno != EINVAL)
return fd;
#endif
if ((fd = socket(domain, type, protocol)) < 0)
return fd;
pa_make_fd_cloexec(fd);
return fd;
}
int pa_pipe_cloexec(int pipefd[2]) {
int r;
#ifdef HAVE_PIPE2
if ((r = pipe2(pipefd, O_CLOEXEC)) >= 0)
return r;
if (errno != EINVAL && errno != ENOSYS)
return r;
#endif
if ((r = pipe(pipefd)) < 0)
return r;
pa_make_fd_cloexec(pipefd[0]);
pa_make_fd_cloexec(pipefd[1]);
return 0;
}
int pa_accept_cloexec(int sockfd, struct sockaddr *addr, socklen_t *addrlen) {
int fd;
#ifdef HAVE_ACCEPT4
if ((fd = accept4(sockfd, addr, addrlen, SOCK_CLOEXEC)) >= 0)
return fd;
if (errno != EINVAL && errno != ENOSYS)
return fd;
#endif
if ((fd = accept(sockfd, addr, addrlen)) < 0)
return fd;
pa_make_fd_cloexec(fd);
return 0;
}

6
src/pulsecore/core-util.h
View file

@ -28,6 +28,7 @@
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#ifdef HAVE_SYS_RESOURCE_H
#include <sys/resource.h>
@ -258,4 +259,9 @@ pa_bool_t pa_run_from_build_tree(void);
const char *pa_get_temp_dir(void);
int pa_open_cloexec(const char *fn, int flags, mode_t mode);
int pa_socket_cloexec(int domain, int type, int protocol);
int pa_pipe_cloexec(int pipefd[2]);
int pa_accept_cloexec(int sockfd, struct sockaddr *addr, socklen_t *addrlen);
#endif