From 761d1ddf25988eeb110a612b0a42945fa1b561a5 Mon Sep 17 00:00:00 2001 From: Fam Zheng Date: Wed, 22 Jun 2016 20:53:19 +0800 Subject: osdep: Introduce qemu_dup And use it in qemu_dup_flags. Signed-off-by: Fam Zheng Reviewed-by: Eric Blake Reviewed-by: John Snow Signed-off-by: Kevin Wolf --- util/osdep.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) (limited to 'util') diff --git a/util/osdep.c b/util/osdep.c index ff004e8..06fb1cf 100644 --- a/util/osdep.c +++ b/util/osdep.c @@ -83,14 +83,7 @@ static int qemu_dup_flags(int fd, int flags) int serrno; int dup_flags; -#ifdef F_DUPFD_CLOEXEC - ret = fcntl(fd, F_DUPFD_CLOEXEC, 0); -#else - ret = dup(fd); - if (ret != -1) { - qemu_set_cloexec(ret); - } -#endif + ret = qemu_dup(fd); if (ret == -1) { goto fail; } @@ -129,6 +122,20 @@ fail: return -1; } +int qemu_dup(int fd) +{ + int ret; +#ifdef F_DUPFD_CLOEXEC + ret = fcntl(fd, F_DUPFD_CLOEXEC, 0); +#else + ret = dup(fd); + if (ret != -1) { + qemu_set_cloexec(ret); + } +#endif + return ret; +} + static int qemu_parse_fdset(const char *param) { return qemu_parse_fd(param); -- cgit v1.1