git.m6w6.name Git - awesomized/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 libmemcached_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 #elif defined(__sun)
  39 #include <ucontext.h>
  40
  41 static inline void libmemcached_stack_dump(void)
  42 {
  43    fflush(stderr);
  44    printstack(fileno(stderr));
  45 }
  46
  47 #else
  48
  49 static inline void libmemcached_stack_dump(void)
  50 { }
  51
  52 #endif // libmemcached_stack_dump()
  53
  54 #include <assert.h>
  55
  56 #define WATCHPOINT do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s)\n", __FILE__, __LINE__,__func__);fflush(stdout); } while (0)
  57 #define WATCHPOINT_ERROR(A) do {fprintf(stderr, "\nWATCHPOINT %s:%d %s\n", __FILE__, __LINE__, memcached_strerror(NULL, A));fflush(stdout); } while (0)
  58 #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)
  59 #define WATCHPOINT_STRING(A) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %s\n", __FILE__, __LINE__,__func__,A);fflush(stdout); } while (0)
  60 #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)
  61 #define WATCHPOINT_NUMBER(A) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %lu\n", __FILE__, __LINE__,__func__,(unsigned long)(A));fflush(stdout); } while (0)
  62 #define WATCHPOINT_LABELED_NUMBER(A,B) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %s:%lu\n", __FILE__, __LINE__,__func__,(A),(unsigned long)(B));fflush(stdout); } while (0)
  63 #define WATCHPOINT_IF_LABELED_NUMBER(A,B,C) do { if(A) {fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %s:%lu\n", __FILE__, __LINE__,__func__,(B),(unsigned long)(C));fflush(stdout);} } while (0)
  64 #define WATCHPOINT_ERRNO(A) do { fprintf(stderr, "\nWATCHPOINT %s:%d (%s) %s\n", __FILE__, __LINE__,__func__, strerror(A));fflush(stdout); } while (0)
  65 #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); libmemcached_stack_dump(); } assert((A)); } while (0)
  66 #define WATCHPOINT_ASSERT(A) do { if (! (A)) {libmemcached_stack_dump();} assert((A)); } while (0)
  67 #define WATCHPOINT_ASSERT_INITIALIZED(A) do { if (! (A)) { libmemcached_stack_dump(); } assert(memcached_is_initialized((A))); } while (0);
  68 #define WATCHPOINT_SET(A) do { A; } while(0);
  69
  70 #else
  71
  72 #define WATCHPOINT
  73 #define WATCHPOINT_ERROR(A)
  74 #define WATCHPOINT_IFERROR(A)
  75 #define WATCHPOINT_STRING(A)
  76 #define WATCHPOINT_NUMBER(A)
  77 #define WATCHPOINT_LABELED_NUMBER(A,B)
  78 #define WATCHPOINT_IF_LABELED_NUMBER(A,B,C)
  79 #define WATCHPOINT_ERRNO(A)
  80 #define WATCHPOINT_ASSERT_PRINT(A,B,C)
  81 #define WATCHPOINT_ASSERT(A)
  82 #define WATCHPOINT_ASSERT_INITIALIZED(A)
  83 #define WATCHPOINT_SET(A)
  84
  85 #endif /* DEBUG */
  86
  87 #endif /* __LIBMEMCACHED_WATCHPOINT_H__ */