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authorAndrew Gregory <andrew.gregory.8@gmail.com>2016-02-22 14:07:57 -0500
committerAllan McRae <allan@archlinux.org>2016-02-23 12:41:36 +1000
commita724235b6127f9655708614d1e44f9b5c661a506 (patch)
tree6b4ef62ae28bc340db7ca5b2d628a60e3a15363a /lib/libalpm/util.h
parent1d6583a58da0904fb7feafd4a666391087955a7b (diff)
make alpm_unlock and trans_interrupt async safe
RET_ERR calls _alpm_log which includes calls that are not safe for use in asynchronous signal handlers (see signal(7)). Replace it in functions called from our signal handlers with a new macro RET_ERR_ASYNC_SAFE which is identical except that it lacks the call to _alpm_log. Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Diffstat (limited to 'lib/libalpm/util.h')
-rw-r--r--lib/libalpm/util.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h
index 9817939f..94949867 100644
--- a/lib/libalpm/util.h
+++ b/lib/libalpm/util.h
@@ -71,6 +71,10 @@ void _alpm_alloc_fail(size_t size);
(handle)->pm_errno = (err); \
return (ret); } while(0)
+#define RET_ERR_ASYNC_SAFE(handle, err, ret) do { \
+ (handle)->pm_errno = (err); \
+ return (ret); } while(0)
+
#define DOUBLE_EQ(x, y) (fabs((x) - (y)) < DBL_EPSILON)
#define CHECK_HANDLE(handle, action) do { if(!(handle)) { action; } (handle)->pm_errno = 0; } while(0)