LCOV - differential code coverage report
Current view: top level - src/interfaces/libpq - legacy-pqsignal.c (source / functions) Coverage Total Hit UBC
Current: Differential Code Coverage 16@8cea358b128 vs 17@8cea358b128 Lines: 0.0 % 11 0 11
Current Date: 2024-04-14 14:21:10 Functions: 0.0 % 1 0 1
Baseline: 16@8cea358b128 Branches: 0.0 % 6 0 6
Baseline Date: 2024-04-14 14:21:09 Line coverage date bins:
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed (240..) days: 0.0 % 11 0 11
Function coverage date bins:
(240..) days: 0.0 % 1 0 1
Branch coverage date bins:
(240..) days: 0.0 % 6 0 6

 Age         Owner                    Branch data    TLA  Line data    Source code
                                  1                 :                : /*-------------------------------------------------------------------------
                                  2                 :                :  *
                                  3                 :                :  * legacy-pqsignal.c
                                  4                 :                :  *    reliable BSD-style signal(2) routine stolen from RWW who stole it
                                  5                 :                :  *    from Stevens...
                                  6                 :                :  *
                                  7                 :                :  * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
                                  8                 :                :  * Portions Copyright (c) 1994, Regents of the University of California
                                  9                 :                :  *
                                 10                 :                :  *
                                 11                 :                :  * IDENTIFICATION
                                 12                 :                :  *    src/interfaces/libpq/legacy-pqsignal.c
                                 13                 :                :  *
                                 14                 :                :  *-------------------------------------------------------------------------
                                 15                 :                :  */
                                 16                 :                : #include "postgres_fe.h"
                                 17                 :                : 
                                 18                 :                : #include <signal.h>
                                 19                 :                : 
                                 20                 :                : 
                                 21                 :                : /*
                                 22                 :                :  * This version of pqsignal() exists only because pre-9.3 releases
                                 23                 :                :  * of libpq exported pqsignal(), and some old client programs still
                                 24                 :                :  * depend on that.  (Since 9.3, clients are supposed to get it from
                                 25                 :                :  * libpgport instead.)
                                 26                 :                :  *
                                 27                 :                :  * Because it is only intended for backwards compatibility, we freeze it
                                 28                 :                :  * with the semantics it had in 9.2; in particular, this has different
                                 29                 :                :  * behavior for SIGALRM than the version in src/port/pqsignal.c.
                                 30                 :                :  *
                                 31                 :                :  * libpq itself does not use this.
                                 32                 :                :  */
                                 33                 :                : pqsigfunc
 1648 tgl@sss.pgh.pa.us          34                 :UBC           0 : pqsignal(int signo, pqsigfunc func)
                                 35                 :                : {
                                 36                 :                : #ifndef WIN32
                                 37                 :                :     struct sigaction act,
                                 38                 :                :                 oact;
                                 39                 :                : 
                                 40                 :              0 :     act.sa_handler = func;
                                 41                 :              0 :     sigemptyset(&act.sa_mask);
                                 42                 :              0 :     act.sa_flags = 0;
                                 43         [ #  # ]:              0 :     if (signo != SIGALRM)
                                 44                 :              0 :         act.sa_flags |= SA_RESTART;
                                 45                 :                : #ifdef SA_NOCLDSTOP
                                 46         [ #  # ]:              0 :     if (signo == SIGCHLD)
                                 47                 :              0 :         act.sa_flags |= SA_NOCLDSTOP;
                                 48                 :                : #endif
                                 49         [ #  # ]:              0 :     if (sigaction(signo, &act, &oact) < 0)
                                 50                 :              0 :         return SIG_ERR;
                                 51                 :              0 :     return oact.sa_handler;
                                 52                 :                : #else                           /* WIN32 */
                                 53                 :                :     return signal(signo, func);
                                 54                 :                : #endif
                                 55                 :                : }
        

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