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| author | Lennart Poettering <lennart@poettering.net> | 2016-01-26 22:34:46 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2016-01-27 02:22:58 +0100 |
| commit | 0c5eb0562abec6f845f07c30b2ad2515900ec1e5 (patch) | |
| tree | 10a05b9191642ce96812a96ed53031b9338f3528 /src/nss-resolve | |
| parent | fccd4b67b5fd296cb5840d1b8e0ea8455cb6a1ed (diff) | |
nss: block various signals while running NSS lookups
Let's make sure our poll() calls don't get interrupted where they shouldn't (SIGALRM, ...), but allow them to be
interrupted where they should (SIGINT, ...).
Fixes #1965
Diffstat (limited to 'src/nss-resolve')
| -rw-r--r-- | src/nss-resolve/nss-resolve.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/nss-resolve/nss-resolve.c b/src/nss-resolve/nss-resolve.c index 2b716a69d1..7864e5370b 100644 --- a/src/nss-resolve/nss-resolve.c +++ b/src/nss-resolve/nss-resolve.c @@ -34,6 +34,7 @@ #include "nss-util.h" #include "string-util.h" #include "util.h" +#include "signal-util.h" NSS_GETHOSTBYNAME_PROTOTYPES(resolve); NSS_GETHOSTBYADDR_PROTOTYPES(resolve); @@ -127,6 +128,8 @@ enum nss_status _nss_resolve_gethostbyname4_r( char *r_name; int c, r, i = 0; + BLOCK_SIGNALS(NSS_SIGNALS_BLOCK); + assert(name); assert(pat); assert(buffer); @@ -307,6 +310,8 @@ enum nss_status _nss_resolve_gethostbyname3_r( const char *canonical; int c, r, i = 0; + BLOCK_SIGNALS(NSS_SIGNALS_BLOCK); + assert(name); assert(result); assert(buffer); @@ -512,6 +517,8 @@ enum nss_status _nss_resolve_gethostbyaddr2_r( const char *n; int r, ifindex; + BLOCK_SIGNALS(NSS_SIGNALS_BLOCK); + assert(addr); assert(result); assert(buffer); |