diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/pwrite.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/pwrite.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/sysdeps/unix/sysv/linux/pwrite.c b/sysdeps/unix/sysv/linux/pwrite.c index 13bbc76b3e..af4ac362b8 100644 --- a/sysdeps/unix/sysv/linux/pwrite.c +++ b/sysdeps/unix/sysv/linux/pwrite.c @@ -22,7 +22,7 @@ #include <endian.h> #include <unistd.h> -#include <sysdep.h> +#include <sysdep-cancel.h> #include <sys/syscall.h> #include <bp-checks.h> @@ -38,8 +38,9 @@ #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0 /* The order of hi, lo depends on endianness. */ -extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count, - off_t offset_hi, off_t offset_lo); +extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, + size_t count, off_t offset_hi, + off_t offset_lo); # if __ASSUME_PWRITE_SYSCALL == 0 static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count, @@ -47,12 +48,8 @@ static ssize_t __emulate_pwrite (int fd, const void *buf, size_t count, # endif -ssize_t -__libc_pwrite (fd, buf, count, offset) - int fd; - const void *buf; - size_t count; - off_t offset; +static ssize_t +do_pwrite (int fd, const void *buf, size_t count, off_t offset) { ssize_t result; @@ -69,6 +66,26 @@ __libc_pwrite (fd, buf, count, offset) return result; } + +ssize_t +__libc_pwrite (fd, buf, count, offset) + int fd; + const void *buf; + size_t count; + off_t offset; +{ + if (SINGLE_THREAD_P) + return do_pwrite (fd, buf, count, offset); + + int oldtype = LIBC_CANCEL_ASYNC (); + + ssize_t result = do_pwrite (fd, buf, count, offset); + + LIBC_CANCEL_RESET (oldtype); + + return result; +} + strong_alias (__libc_pwrite, __pwrite) weak_alias (__libc_pwrite, pwrite) |