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-rw-r--r--winsup/cygwin/pipe.cc47
1 files changed, 41 insertions, 6 deletions
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc
index 6cbba6ad0..e7da0e9c8 100644
--- a/winsup/cygwin/pipe.cc
+++ b/winsup/cygwin/pipe.cc
@@ -348,7 +348,7 @@ fhandler_pipe::create (fhandler_pipe *fhs[2], unsigned psize, int mode)
res = 0;
}
- syscall_printf ("%R = pipe([%p, %p], %d, %p)", res, fhs[0], fhs[1], psize, mode);
+ debug_printf ("%R = pipe([%p, %p], %d, %p)", res, fhs[0], fhs[1], psize, mode);
return res;
}
@@ -386,8 +386,8 @@ fhandler_pipe::fstatvfs (struct statvfs *sfs)
return -1;
}
-extern "C" int
-_pipe (int filedes[2], unsigned int psize, int mode)
+static int __attribute__ ((regparm (3)))
+pipe_worker (int filedes[2], unsigned int psize, int mode)
{
fhandler_pipe *fhs[2];
int res = fhandler_pipe::create (fhs, psize, mode);
@@ -404,19 +404,54 @@ _pipe (int filedes[2], unsigned int psize, int mode)
fdout = fhs[1];
filedes[0] = fdin;
filedes[1] = fdout;
- debug_printf ("%d, %d", (int) fdin, (int) fdout);
+ }
+ return res;
+}
+
+extern "C" int
+_pipe (int filedes[2], unsigned int psize, int mode)
+{
+ int res = pipe_worker (filedes, psize, mode);
+ int read, write;
+ if (res != 0)
+ read = write = -1;
+ else
+ {
+ read = filedes[0];
+ write = filedes[1];
}
+ syscall_printf ("%R = _pipe([%d, %d], %u, %p)", res, read, write, psize, mode);
return res;
}
extern "C" int
pipe (int filedes[2])
{
- return _pipe (filedes, DEFAULT_PIPEBUFSIZE, O_BINARY);
+ int res = pipe_worker (filedes, DEFAULT_PIPEBUFSIZE, O_BINARY);
+ int read, write;
+ if (res != 0)
+ read = write = -1;
+ else
+ {
+ read = filedes[0];
+ write = filedes[1];
+ }
+ syscall_printf ("%R = pipe([%d, %d])", res, read, write);
+ return res;
}
extern "C" int
pipe2 (int filedes[2], int mode)
{
- return _pipe (filedes, DEFAULT_PIPEBUFSIZE, mode);
+ int res = pipe_worker (filedes, DEFAULT_PIPEBUFSIZE, mode);
+ int read, write;
+ if (res != 0)
+ read = write = -1;
+ else
+ {
+ read = filedes[0];
+ write = filedes[1];
+ }
+ syscall_printf ("%R = pipe2([%d, %d], %p)", res, read, write, mode);
+ return res;
}