From 46e3df937b05fa291470e975cd836c5435aa0ecc Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Wed, 11 May 2011 08:40:58 +0200 Subject: Implement accept4 system call. Signed-off-by: Thierry Reding Signed-off-by: Bernhard Reutner-Fischer --- libc/inet/socketcalls.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'libc/inet/socketcalls.c') diff --git a/libc/inet/socketcalls.c b/libc/inet/socketcalls.c index 42a5a563f..ff5fdaa30 100644 --- a/libc/inet/socketcalls.c +++ b/libc/inet/socketcalls.c @@ -31,6 +31,7 @@ extern int __socketcall(int call, unsigned long *args) attribute_hidden; #define SYS_GETSOCKOPT 15 #define SYS_SENDMSG 16 #define SYS_RECVMSG 17 +#define SYS_ACCEPT4 18 #endif #ifdef __UCLIBC_HAS_THREADS_NATIVE__ @@ -560,3 +561,20 @@ int socketpair(int family, int type, int protocol, int sockvec[2]) } #endif #endif + +#ifdef L_accept4 +#ifdef __NR_accept4 +_syscall4(int, accept4, int, sockfd, struct sockaddr *, addr, socklen_t *, addrlen, int, flags) +#elif defined(__NR_socketcall) +int accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) +{ + unsigned long args[4]; + + args[0] = sockfd; + args[1] = (unsigned long) addr; + args[2] = (unsigned long) addrlen; + args[3] = flags; + return __socketcall(SYS_ACCEPT4, args); +} +#endif +#endif -- cgit v1.2.3 From 74a2c71153b910ee4773866ee30be84730a4d5b8 Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Wed, 11 May 2011 11:31:45 +0200 Subject: accept4: Implement cancellation .. and add proper prototype, move it into it's own obj and other such cleanups. Signed-off-by: Bernhard Reutner-Fischer --- libc/inet/socketcalls.c | 56 +++++++++++++++++++++++++++++++++++-------------- 1 file changed, 40 insertions(+), 16 deletions(-) (limited to 'libc/inet/socketcalls.c') diff --git a/libc/inet/socketcalls.c b/libc/inet/socketcalls.c index ff5fdaa30..aae7e93bf 100644 --- a/libc/inet/socketcalls.c +++ b/libc/inet/socketcalls.c @@ -83,6 +83,46 @@ weak_alias(__libc_accept,accept) libc_hidden_weak(accept) #endif +#ifdef L_accept4 +#ifdef __NR_accept4 +# define __NR___sys_accept4 __NR_accept4 +static _syscall4(int, __sys_accept4, int, fd, struct sockaddr *, addr, socklen_t *, addrlen, int, flags) +int accept4(int fd, struct sockaddr *addr, socklen_t * addrlen, int flags) +{ + if (SINGLE_THREAD_P) + return __sys_accept4(fd, addr, addrlen, flags); +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + else { + int oldtype = LIBC_CANCEL_ASYNC (); + int result = __sys_accept4(fd, addr, addrlen, flags); + LIBC_CANCEL_RESET (oldtype); + return result; + } +#endif +} +#elif defined(__NR_socketcall) +int accept4(int fd, struct sockaddr *addr, socklen_t *addrlen, int flags) +{ + unsigned long args[4]; + + args[0] = fd; + args[1] = (unsigned long) addr; + args[2] = (unsigned long) addrlen; + args[3] = flags; + if (SINGLE_THREAD_P) + return __socketcall(SYS_ACCEPT4, args); +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ + else { + int oldtype = LIBC_CANCEL_ASYNC (); + int result = __socketcall(SYS_ACCEPT4, args); + LIBC_CANCEL_RESET (oldtype); + return result; + } +#endif +} +#endif +#endif + #ifdef L_bind #ifdef __NR_bind _syscall3(int, bind, int, sockfd, const struct sockaddr *, myaddr, socklen_t, addrlen) @@ -562,19 +602,3 @@ int socketpair(int family, int type, int protocol, int sockvec[2]) #endif #endif -#ifdef L_accept4 -#ifdef __NR_accept4 -_syscall4(int, accept4, int, sockfd, struct sockaddr *, addr, socklen_t *, addrlen, int, flags) -#elif defined(__NR_socketcall) -int accept4(int sockfd, struct sockaddr *addr, socklen_t *addrlen, int flags) -{ - unsigned long args[4]; - - args[0] = sockfd; - args[1] = (unsigned long) addr; - args[2] = (unsigned long) addrlen; - args[3] = flags; - return __socketcall(SYS_ACCEPT4, args); -} -#endif -#endif -- cgit v1.2.3