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authorUlrich Drepper <drepper@redhat.com>2002-12-15 10:26:23 +0000
committerUlrich Drepper <drepper@redhat.com>2002-12-15 10:26:23 +0000
commit6ee8d3345646ab0bea91891362a2bbf15503edec (patch)
tree718ea6deebec61e44b09eb25817ee5c14da35f57 /sysdeps/unix/sysv/linux/pread.c
parent2fb6444dbb9672aea7766b3790a3cb70a73473d3 (diff)
Update.
2002-12-15 Ulrich Drepper <drepper@redhat.com> * sysdeps/generic/sysdep-cancel.h: Add dummy definitions for SINGLE_THREAD_P, LIBC_CANCEL_ASYNC, and LIBC_CANCEL_RESET. * sysdeps/unix/sysv/linux/open64.c: New file. * sysdeps/generic/pselect.c: Add support for cancellation handling. * sysdeps/posix/open64.c: Likewise. * sysdeps/posix/sigpause.c: Likewise. * sysdeps/posix/sigwait.c: Likewise. * sysdeps/posix/system.c: Likewise. * sysdeps/posix/waitid.c: Likewise. * sysdeps/unix/sysv/linux/accept.S: Likewise. * sysdeps/unix/sysv/linux/connect.S: Likewise. * sysdeps/unix/sysv/linux/llseek.c: Likewise. * sysdeps/unix/sysv/linux/msgrcv.c: Likewise. * sysdeps/unix/sysv/linux/msgsnd.c: Likewise. * sysdeps/unix/sysv/linux/poll.c: Likewise. * sysdeps/unix/sysv/linux/pread.c: Likewise. * sysdeps/unix/sysv/linux/pread64.c: Likewise. * sysdeps/unix/sysv/linux/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/pwrite64.c: Likewise. * sysdeps/unix/sysv/linux/readv.c: Likewise. * sysdeps/unix/sysv/linux/recv.S: Likewise. * sysdeps/unix/sysv/linux/recvfrom.S: Likewise. * sysdeps/unix/sysv/linux/recvmsg.S: Likewise. * sysdeps/unix/sysv/linux/send.S: Likewise. * sysdeps/unix/sysv/linux/sendmsg.S: Likewise. * sysdeps/unix/sysv/linux/sendto.S: Likewise. * sysdeps/unix/sysv/linux/sigsuspend.c: Likewise. * sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwait.c: Likewise. * sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise. * sysdeps/unix/sysv/linux/tcdrain.c: Likewise. * sysdeps/unix/sysv/linux/wait.c: Likewise. * sysdeps/unix/sysv/linux/waitpid.c: Likewise. * sysdeps/unix/sysv/linux/writev.c: Likewise. * sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/pread.c')
-rw-r--r--sysdeps/unix/sysv/linux/pread.c30
1 files changed, 23 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/pread.c b/sysdeps/unix/sysv/linux/pread.c
index 31abf7e886..a506c17e95 100644
--- a/sysdeps/unix/sysv/linux/pread.c
+++ b/sysdeps/unix/sysv/linux/pread.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>
@@ -47,12 +47,8 @@ static ssize_t __emulate_pread (int fd, void *buf, size_t count,
# endif
-ssize_t
-__libc_pread (fd, buf, count, offset)
- int fd;
- void *buf;
- size_t count;
- off_t offset;
+static ssize_t
+do_pread (int fd, void *buf, size_t count, off_t offset)
{
ssize_t result;
@@ -69,6 +65,26 @@ __libc_pread (fd, buf, count, offset)
return result;
}
+
+ssize_t
+__libc_pread (fd, buf, count, offset)
+ int fd;
+ void *buf;
+ size_t count;
+ off_t offset;
+{
+ if (SINGLE_THREAD_P)
+ return do_pread (fd, buf, count, offset);
+
+ int oldtype = LIBC_CANCEL_ASYNC ();
+
+ ssize_t result = do_pread (fd, buf, count, offset);
+
+ LIBC_CANCEL_RESET (oldtype);
+
+ return result;
+}
+
strong_alias (__libc_pread, __pread)
weak_alias (__libc_pread, pread)