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linux: add eventfd and eventfd2 syscalls

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This commit is contained in:
Ben Noordhuis 2012-06-09 20:06:16 +02:00
parent 78bc0d6134
commit 3b417d10bc
2 changed files with 46 additions and 2 deletions
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38
src/unix/linux/syscalls.c
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@ -49,6 +49,26 @@
# endif
#endif /* __NR_accept4 */
#ifndef __NR_eventfd
# if __x86_64__
# define __NR_eventfd 284
# elif __i386__
# define __NR_eventfd 323
# elif __arm__
# define __NR_eventfd (UV_SYSCALL_BASE + 351)
# endif
#endif /* __NR_eventfd */
#ifndef __NR_eventfd2
# if __x86_64__
# define __NR_eventfd2 290
# elif __i386__
# define __NR_eventfd2 328
# elif __arm__
# define __NR_eventfd2 (UV_SYSCALL_BASE + 356)
# endif
#endif /* __NR_eventfd2 */
#ifndef __NR_inotify_init
# if __x86_64__
# define __NR_inotify_init 253
@ -147,6 +167,24 @@ int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags) {
}
int uv__eventfd(unsigned int count) {
#if __NR_eventfd
return syscall(__NR_eventfd, count);
#else
return errno = ENOSYS, -1;
#endif
}
int uv__eventfd2(unsigned int count, int flags) {
#if __NR_eventfd2
return syscall(__NR_eventfd2, count, flags);
#else
return errno = ENOSYS, -1;
#endif
}
int uv__inotify_init(void) {
#if __NR_inotify_init
return syscall(__NR_inotify_init);

10
src/unix/linux/syscalls.h
View File

@ -32,12 +32,16 @@
#define UV__O_NONBLOCK 0x800
#define UV__O_CLOEXEC 0x80000
#define UV__SOCK_CLOEXEC UV__O_CLOEXEC
#define UV__SOCK_NONBLOCK UV__O_NONBLOCK
#define UV__EFD_CLOEXEC UV__O_CLOEXEC
#define UV__EFD_NONBLOCK UV__O_NONBLOCK
#define UV__IN_CLOEXEC UV__O_CLOEXEC
#define UV__IN_NONBLOCK UV__O_NONBLOCK
#define UV__SOCK_CLOEXEC UV__O_CLOEXEC
#define UV__SOCK_NONBLOCK UV__O_NONBLOCK
/* inotify flags */
#define UV__IN_ACCESS 0x001
#define UV__IN_MODIFY 0x002
#define UV__IN_ATTRIB 0x004
@ -65,6 +69,8 @@ struct uv__mmsghdr {
};
int uv__accept4(int fd, struct sockaddr* addr, socklen_t* addrlen, int flags);
int uv__eventfd(unsigned int count);
int uv__eventfd2(unsigned int count, int flags);
int uv__inotify_init(void);
int uv__inotify_init1(int flags);
int uv__inotify_add_watch(int fd, const char* path, __u32 mask);