LCOV - code coverage report
Current view: top level - src/backend/utils/error - assert.c (source / functions) Coverage Total Hit
Test: PostgreSQL 20devel Lines: 0.0 % 10 0
Test Date: 2026-07-03 19:57:34 Functions: 0.0 % 1 0
Legend: Lines:     hit not hit
Branches: + taken - not taken # not executed
Branches: 0.0 % 4 0

             Branch data     Line data    Source code
       1                 :             : /*-------------------------------------------------------------------------
       2                 :             :  *
       3                 :             :  * assert.c
       4                 :             :  *    Assert support code.
       5                 :             :  *
       6                 :             :  * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
       7                 :             :  * Portions Copyright (c) 1994, Regents of the University of California
       8                 :             :  *
       9                 :             :  *
      10                 :             :  * IDENTIFICATION
      11                 :             :  *    src/backend/utils/error/assert.c
      12                 :             :  *
      13                 :             :  *-------------------------------------------------------------------------
      14                 :             :  */
      15                 :             : #include "postgres.h"
      16                 :             : 
      17                 :             : #include <unistd.h>
      18                 :             : #ifdef HAVE_EXECINFO_H
      19                 :             : #include <execinfo.h>
      20                 :             : #endif
      21                 :             : 
      22                 :             : /*
      23                 :             :  * ExceptionalCondition - Handles the failure of an Assert()
      24                 :             :  *
      25                 :             :  * We intentionally do not go through elog() here, on the grounds of
      26                 :             :  * wanting to minimize the amount of infrastructure that has to be
      27                 :             :  * working to report an assertion failure.
      28                 :             :  */
      29                 :             : void
      30                 :           0 : ExceptionalCondition(const char *conditionName,
      31                 :             :                      const char *fileName,
      32                 :             :                      int lineNumber)
      33                 :             : {
      34                 :             :     /* Report the failure on stderr (or local equivalent) */
      35   [ #  #  #  # ]:           0 :     if (!conditionName || !fileName)
      36                 :           0 :         write_stderr("TRAP: ExceptionalCondition: bad arguments in PID %d\n",
      37                 :           0 :                      (int) getpid());
      38                 :             :     else
      39                 :           0 :         write_stderr("TRAP: failed Assert(\"%s\"), File: \"%s\", Line: %d, PID: %d\n",
      40                 :           0 :                      conditionName, fileName, lineNumber, (int) getpid());
      41                 :             : 
      42                 :             :     /* Usually this shouldn't be needed, but make sure the msg went out */
      43                 :           0 :     fflush(stderr);
      44                 :             : 
      45                 :             :     /* If we have support for it, dump a simple backtrace */
      46                 :             : #ifdef HAVE_BACKTRACE_SYMBOLS
      47                 :             :     {
      48                 :             :         void       *buf[100];
      49                 :             :         int         nframes;
      50                 :             : 
      51                 :           0 :         nframes = backtrace(buf, lengthof(buf));
      52                 :           0 :         backtrace_symbols_fd(buf, nframes, fileno(stderr));
      53                 :             :     }
      54                 :             : #endif
      55                 :             : 
      56                 :             :     /*
      57                 :             :      * If configured to do so, sleep indefinitely to allow user to attach a
      58                 :             :      * debugger.  It would be nice to use pg_usleep() here, but that can sleep
      59                 :             :      * at most 2G usec or ~33 minutes, which seems too short.
      60                 :             :      */
      61                 :             : #ifdef SLEEP_ON_ASSERT
      62                 :             :     sleep(1000000);
      63                 :             : #endif
      64                 :             : 
      65                 :           0 :     abort();
      66                 :             : }
        

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