diff options
Diffstat (limited to 'libpthread')
| -rw-r--r-- | libpthread/linuxthreads/wrapsyscall.c | 80 |
1 files changed, 66 insertions, 14 deletions
diff --git a/libpthread/linuxthreads/wrapsyscall.c b/libpthread/linuxthreads/wrapsyscall.c index 3b9ada160..a891d94d4 100644 --- a/libpthread/linuxthreads/wrapsyscall.c +++ b/libpthread/linuxthreads/wrapsyscall.c @@ -1,5 +1,5 @@ /* Wrapper arpund system calls to provide cancelation points. - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -43,6 +43,7 @@ const int __pthread_provide_wrappers = 0; #define CANCELABLE_SYSCALL(res_type, name, param_list, params) \ res_type __libc_##name param_list; \ res_type \ +__attribute__ ((weak)) \ name param_list \ { \ res_type result; \ @@ -56,6 +57,7 @@ name param_list \ #define CANCELABLE_SYSCALL_VA(res_type, name, param_list, params, last_arg) \ res_type __libc_##name param_list; \ res_type \ +__attribute__ ((weak)) \ name param_list \ { \ res_type result; \ @@ -72,11 +74,13 @@ name param_list \ /* close(2). */ CANCELABLE_SYSCALL (int, close, (int fd), (fd)) +strong_alias (close, __close) /* fcntl(2). */ CANCELABLE_SYSCALL_VA (int, fcntl, (int fd, int cmd, ...), (fd, cmd, va_arg (ap, long int)), cmd) +strong_alias (fcntl, __fcntl) /* fsync(2). */ @@ -86,13 +90,18 @@ CANCELABLE_SYSCALL (int, fsync, (int fd), (fd)) /* lseek(2). */ CANCELABLE_SYSCALL (off_t, lseek, (int fd, off_t offset, int whence), (fd, offset, whence)) +strong_alias (lseek, __lseek) +#ifdef __UCLIBC_HAVE_LFS__ +/* lseek64(2). */ +CANCELABLE_SYSCALL (off64_t, lseek64, (int fd, off64_t offset, int whence), + (fd, offset, whence)) +#endif /* msync(2). */ -/* This syscall not implemented in uClibc CANCELABLE_SYSCALL (int, msync, (__ptr_t addr, size_t length, int flags), (addr, length, flags)) -*/ + /* nanosleep(2). */ CANCELABLE_SYSCALL (int, nanosleep, (const struct timespec *requested_time, @@ -103,25 +112,65 @@ CANCELABLE_SYSCALL (int, nanosleep, (const struct timespec *requested_time, /* open(2). */ CANCELABLE_SYSCALL_VA (int, open, (const char *pathname, int flags, ...), (pathname, flags, va_arg (ap, mode_t)), flags) +strong_alias (open, __open) + +#ifdef __UCLIBC_HAVE_LFS__ +/* open64(3). */ +CANCELABLE_SYSCALL_VA (int, open64, (const char *pathname, int flags, ...), + (pathname, flags, va_arg (ap, mode_t)), flags) +strong_alias (open64, __open64) +#endif /* pause(2). */ CANCELABLE_SYSCALL (int, pause, (void), ()) +/* pread(3). */ +CANCELABLE_SYSCALL (ssize_t, pread, (int fd, void *buf, size_t count, + off_t offset), + (fd, buf, count, offset)) + + +#ifdef __UCLIBC_HAVE_LFS__ +/* pread64(3). */ +CANCELABLE_SYSCALL (ssize_t, pread64, (int fd, void *buf, size_t count, + off64_t offset), + (fd, buf, count, offset)) +strong_alias (pread64, __pread64) +#endif + +/* pwrite(3). */ +CANCELABLE_SYSCALL (ssize_t, pwrite, (int fd, const void *buf, size_t n, + off_t offset), + (fd, buf, n, offset)) + + +#ifdef __UCLIBC_HAVE_LFS__ +/* pwrite64(3). */ +CANCELABLE_SYSCALL (ssize_t, pwrite64, (int fd, const void *buf, size_t n, + off64_t offset), + (fd, buf, n, offset)) +strong_alias (pwrite64, __pwrite64) +#endif + /* read(2). */ CANCELABLE_SYSCALL (ssize_t, read, (int fd, void *buf, size_t count), (fd, buf, count)) +strong_alias (read, __read) /* system(3). */ CANCELABLE_SYSCALL (int, system, (const char *line), (line)) + /* tcdrain(2). */ CANCELABLE_SYSCALL (int, tcdrain, (int fd), (fd)) + /* wait(2). */ CANCELABLE_SYSCALL (__pid_t, wait, (__WAIT_STATUS_DEFN stat_loc), (stat_loc)) +strong_alias (wait, __wait) /* waitpid(2). */ @@ -133,6 +182,7 @@ CANCELABLE_SYSCALL (__pid_t, waitpid, (__pid_t pid, int *stat_loc, /* write(2). */ CANCELABLE_SYSCALL (ssize_t, write, (int fd, const void *buf, size_t n), (fd, buf, n)) +strong_alias (write, __write) /* The following system calls are thread cancellation points specified @@ -147,32 +197,34 @@ CANCELABLE_SYSCALL (int, accept, (int fd, __SOCKADDR_ARG addr, CANCELABLE_SYSCALL (int, connect, (int fd, __CONST_SOCKADDR_ARG addr, socklen_t len), (fd, addr, len)) +strong_alias (connect, __connect) /* recv(2). */ -CANCELABLE_SYSCALL (int, recv, (int fd, __ptr_t buf, size_t n, int flags), +CANCELABLE_SYSCALL (ssize_t, recv, (int fd, __ptr_t buf, size_t n, int flags), (fd, buf, n, flags)) /* recvfrom(2). */ -CANCELABLE_SYSCALL (int, recvfrom, (int fd, __ptr_t buf, size_t n, int flags, - __SOCKADDR_ARG addr, socklen_t *addr_len), +CANCELABLE_SYSCALL (ssize_t, recvfrom, (int fd, __ptr_t buf, size_t n, int flags, + __SOCKADDR_ARG addr, socklen_t *addr_len), (fd, buf, n, flags, addr, addr_len)) /* recvmsg(2). */ -CANCELABLE_SYSCALL (int, recvmsg, (int fd, struct msghdr *message, int flags), +CANCELABLE_SYSCALL (ssize_t, recvmsg, (int fd, struct msghdr *message, int flags), (fd, message, flags)) /* send(2). */ -CANCELABLE_SYSCALL (int, send, (int fd, const __ptr_t buf, size_t n, - int flags), +CANCELABLE_SYSCALL (ssize_t, send, (int fd, const __ptr_t buf, size_t n, + int flags), (fd, buf, n, flags)) +strong_alias (send, __send) /* sendmsg(2). */ -CANCELABLE_SYSCALL (int, sendmsg, (int fd, const struct msghdr *message, - int flags), +CANCELABLE_SYSCALL (ssize_t, sendmsg, (int fd, const struct msghdr *message, + int flags), (fd, message, flags)) /* sendto(2). */ -CANCELABLE_SYSCALL (int, sendto, (int fd, const __ptr_t buf, size_t n, - int flags, __CONST_SOCKADDR_ARG addr, - socklen_t addr_len), +CANCELABLE_SYSCALL (ssize_t, sendto, (int fd, const __ptr_t buf, size_t n, + int flags, __CONST_SOCKADDR_ARG addr, + socklen_t addr_len), (fd, buf, n, flags, addr, addr_len)) |