git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/watchpoint.h

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary: Localized copy of WATCHPOINT debug symbols
   9  *
  10  */
  11
  12 #ifndef __LIBMEMCACHED_WATCHPOINT_H__
  13 #define __LIBMEMCACHED_WATCHPOINT_H__
  14
  15 /* Some personal debugging functions */
  16 #if defined(DEBUG)
  17
  18 #ifdef TARGET_OS_LINUX
  19 static inline void __stack_dump(void)
  20 {
  21   void *array[10];
  22   int size;
  23   char **strings;
  24
  25   size= backtrace(array, 10);
  26   strings= backtrace_symbols(array, size);
  27
  28   fprintf(stderr, "Found %d stack frames.\n", size);
  29
  30   for (int x= 0; x < size; x++)
  31     fprintf(stderr, "%s\n", strings[x]);
  32
  33   free (strings);
  34
  35   fflush(stderr);
  36 }
  37
  38 #else
  39
  40 static inline void __stack_dump(void)
  41 { }
  42
  43 #endif // __stack_dump()
  44
  45 #include <assert.h>
  46
  47 #define WATCHPOINT do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout); } while (0)
  48 #define WATCHPOINT_ERROR(A) do {fprintf(stderr, "\nWATCHPOINT %s:%d %s\n", __FILE__, __LINE__, memcached_strerror(NULL, A));fflush(stdout); } while (0)
  49 #define WATCHPOINT_IFERROR(A) do { if(A != MEMCACHED_SUCCESS)fprintf(stderr, "\nWATCHPOINT %s:%d %s\n", __FILE__, __LINE__, memcached_strerror(NULL, A));fflush(stdout); } while (0)
  50 #define WATCHPOINT_STRING(A) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %s\n", __FILE__, __LINE__,__func__,A);fflush(stdout); } while (0)
  51 #define WATCHPOINT_STRING_LENGTH(A,B) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %.*s\n", __FILE__, __LINE__,__func__,(int)B,A);fflush(stdout); } while (0)
  52 #define WATCHPOINT_NUMBER(A) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %zu\n", __FILE__, __LINE__,__func__,(size_t)(A));fflush(stdout); } while (0)
  53 #define WATCHPOINT_ERRNO(A) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %s\n", __FILE__, __LINE__,__func__, strerror(A));fflush(stdout); } while (0)
  54 #define WATCHPOINT_ASSERT_PRINT(A,B,C) do { if(!(A)){fprintf(stderr, "\nWATCHPOINT ASSERT %s:%d (%s) ", __FILE__, __LINE__,__func__);fprintf(stderr, (B),(C));fprintf(stderr,"\n");fflush(stdout); __stack_dump(); } assert((A)); } while (0)
  55 #define WATCHPOINT_ASSERT(A) do { if (! (A)) {__stack_dump();} assert((A)); } while (0)
  56 #define WATCHPOINT_ASSERT_INITIALIZED(A) do { if (! (A)) { __stack_dump(); } assert(memcached_is_initialized((A))); } while (0);
  57 #define WATCHPOINT_SET(A) do { A; } while(0);
  58
  59 #else
  60
  61 #define WATCHPOINT
  62 #define WATCHPOINT_ERROR(A)
  63 #define WATCHPOINT_IFERROR(A)
  64 #define WATCHPOINT_STRING(A)
  65 #define WATCHPOINT_NUMBER(A)
  66 #define WATCHPOINT_ERRNO(A)
  67 #define WATCHPOINT_ASSERT_PRINT(A,B,C)
  68 #define WATCHPOINT_ASSERT(A)
  69 #define WATCHPOINT_ASSERT_INITIALIZED(A)
  70 #define WATCHPOINT_SET(A)
  71
  72 #endif /* DEBUG */
  73
  74 #endif /* __LIBMEMCACHED_WATCHPOINT_H__ */