These handle EINTR and make sure the amount requested is read into the
buffer.
Signed-off-by: Derek Foreman <der...@osg.samsung.com>
---
src/wayland-os.c | 38 ++++++++++++++++++++++++++++++++++++++
src/wayland-os.h | 6 ++++++
2 files changed, 44 insertions(+)
diff --git a/src/wayland-os.c b/src/wayland-os.c
index 2cd6bf3..4c6ffa7 100644
--- a/src/wayland-os.c
+++ b/src/wayland-os.c
@@ -267,3 +267,41 @@ wl_os_create_anonymous_file(off_t size)
return fd;
}
+
+int wl_os_write(int fd, void *buffer, int count)
+{
+ int ret;
+ int total = count;
+
+ while (count > 0) {
+ ret = write(fd, buffer, count);
+ if (ret == -1 && errno == EINTR)
+ continue;
+
+ if (ret == -1)
+ return -1;
+
+ count -= ret;
+ buffer += ret;
+ }
+ return total;
+}
+
+int wl_os_read(int fd, void *buffer, int count)
+{
+ int ret;
+ int total = count;
+
+ while (count > 0) {
+ ret = read(fd, buffer, count);
+ if (ret == -1 && errno == EINTR)
+ continue;
+
+ if (ret == -1)
+ return -1;
+
+ count -= ret;
+ buffer += ret;
+ }
+ return total;
+}
diff --git a/src/wayland-os.h b/src/wayland-os.h
index 300a343..9679214 100644
--- a/src/wayland-os.h
+++ b/src/wayland-os.h
@@ -52,6 +52,12 @@ wl_os_resize_file(int fd, off_t size);
int
wl_os_create_anonymous_file(off_t size);
+int
+wl_os_write(int fd, void *buffer, int count);
+
+int
+wl_os_read(int fd, void *buffer, int count);
+
/*
* The following are for wayland-os.c and the unit tests.
* Do not use them elsewhere.
--
2.7.0
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