[PATCH v7 04/10] pkt-line: add packet_flush_gently()
From: <hidden>
Date: 2016-09-08 18:22:04
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Lars Schneider <redacted> packet_flush() would die in case of a write error even though for some callers an error would be acceptable. Add packet_flush_gently() which writes a pkt-line flush packet and returns `0` for success and `-1` for failure. Signed-off-by: Lars Schneider <redacted> --- pkt-line.c | 9 +++++++++ pkt-line.h | 1 + 2 files changed, 10 insertions(+)
diff --git a/pkt-line.c b/pkt-line.c
index 3824d05..37345ca 100644
--- a/pkt-line.c
+++ b/pkt-line.c@@ -91,6 +91,15 @@ void packet_flush(int fd) write_or_die(fd, "0000", 4); } +int packet_flush_gently(int fd) +{ + packet_trace("0000", 4, 1); + if (write_in_full(fd, "0000", 4) == 4) + return 0; + error("flush packet write failed"); + return -1; +} + void packet_buf_flush(struct strbuf *buf) { packet_trace("0000", 4, 1);
diff --git a/pkt-line.h b/pkt-line.h
index 3caea77..3fa0899 100644
--- a/pkt-line.h
+++ b/pkt-line.h@@ -23,6 +23,7 @@ void packet_flush(int fd); void packet_write_fmt(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3))); void packet_buf_flush(struct strbuf *buf); void packet_buf_write(struct strbuf *buf, const char *fmt, ...) __attribute__((format (printf, 2, 3))); +int packet_flush_gently(int fd); int packet_write_fmt_gently(int fd, const char *fmt, ...) __attribute__((format (printf, 2, 3))); /*
--
2.10.0