Subversion Repositories Kolibri OS

Rev

Rev 4874 | Blame | Compare with Previous | Last modification | View Log | RSS feed

  1. /* malloc.h -- header file for memory routines.  */
  2.  
  3. #ifndef _INCLUDE_MALLOC_H_
  4. #define _INCLUDE_MALLOC_H_
  5.  
  6. #include <_ansi.h>
  7. #include <sys/reent.h>
  8.  
  9. #define __need_size_t
  10. #include <stddef.h>
  11.  
  12. /* include any machine-specific extensions */
  13. #include <machine/malloc.h>
  14.  
  15. #ifdef __cplusplus
  16. extern "C" {
  17. #endif
  18.  
  19. /* This version of struct mallinfo must match the one in
  20.    libc/stdlib/mallocr.c.  */
  21.  
  22. struct mallinfo {
  23.   size_t arena;    /* total space allocated from system */
  24.   size_t ordblks;  /* number of non-inuse chunks */
  25.   size_t smblks;   /* unused -- always zero */
  26.   size_t hblks;    /* number of mmapped regions */
  27.   size_t hblkhd;   /* total space in mmapped regions */
  28.   size_t usmblks;  /* unused -- always zero */
  29.   size_t fsmblks;  /* unused -- always zero */
  30.   size_t uordblks; /* total allocated space */
  31.   size_t fordblks; /* total non-inuse space */
  32.   size_t keepcost; /* top-most, releasable (via malloc_trim) space */
  33. };     
  34.  
  35. /* The routines.  */
  36.  
  37. extern _PTR malloc _PARAMS ((size_t));
  38. #ifdef __CYGWIN__
  39. #undef _malloc_r
  40. #define _malloc_r(r, s) malloc (s)
  41. #else
  42. extern _PTR _malloc_r _PARAMS ((struct _reent *, size_t));
  43. #endif
  44.  
  45. extern _VOID free _PARAMS ((_PTR));
  46. #ifdef __CYGWIN__
  47. #undef _free_r
  48. #define _free_r(r, p) free (p)
  49. #else
  50. extern _VOID _free_r _PARAMS ((struct _reent *, _PTR));
  51. #endif
  52.  
  53. extern _PTR realloc _PARAMS ((_PTR, size_t));
  54. #ifdef __CYGWIN__
  55. #undef _realloc_r
  56. #define _realloc_r(r, p, s) realloc (p, s)
  57. #else
  58. extern _PTR _realloc_r _PARAMS ((struct _reent *, _PTR, size_t));
  59. #endif
  60.  
  61. extern _PTR calloc _PARAMS ((size_t, size_t));
  62. #ifdef __CYGWIN__
  63. #undef _calloc_r
  64. #define _calloc_r(r, s1, s2) calloc (s1, s2);
  65. #else
  66. extern _PTR _calloc_r _PARAMS ((struct _reent *, size_t, size_t));
  67. #endif
  68.  
  69. extern _PTR memalign _PARAMS ((size_t, size_t));
  70. #ifdef __CYGWIN__
  71. #undef _memalign_r
  72. #define _memalign_r(r, s1, s2) memalign (s1, s2);
  73. #else
  74. extern _PTR _memalign_r _PARAMS ((struct _reent *, size_t, size_t));
  75. #endif
  76.  
  77. extern struct mallinfo mallinfo _PARAMS ((void));
  78. #ifdef __CYGWIN__
  79. #undef _mallinfo_r
  80. #define _mallinfo_r(r) mallinfo ()
  81. #else
  82. extern struct mallinfo _mallinfo_r _PARAMS ((struct _reent *));
  83. #endif
  84.  
  85. extern void malloc_stats _PARAMS ((void));
  86. #ifdef __CYGWIN__
  87. #undef _malloc_stats_r
  88. #define _malloc_stats_r(r) malloc_stats ()
  89. #else
  90. extern void _malloc_stats_r _PARAMS ((struct _reent *));
  91. #endif
  92.  
  93. extern int mallopt _PARAMS ((int, int));
  94. #ifdef __CYGWIN__
  95. #undef _mallopt_r
  96. #define _mallopt_r(i1, i2) mallopt (i1, i2)
  97. #else
  98. extern int _mallopt_r _PARAMS ((struct _reent *, int, int));
  99. #endif
  100.  
  101. extern size_t malloc_usable_size _PARAMS ((_PTR));
  102. #ifdef __CYGWIN__
  103. #undef _malloc_usable_size_r
  104. #define _malloc_usable_size_r(r, p) malloc_usable_size (p)
  105. #else
  106. extern size_t _malloc_usable_size_r _PARAMS ((struct _reent *, _PTR));
  107. #endif
  108.  
  109. /* These aren't too useful on an embedded system, but we define them
  110.    anyhow.  */
  111.  
  112. extern _PTR valloc _PARAMS ((size_t));
  113. #ifdef __CYGWIN__
  114. #undef _valloc_r
  115. #define _valloc_r(r, s) valloc (s)
  116. #else
  117. extern _PTR _valloc_r _PARAMS ((struct _reent *, size_t));
  118. #endif
  119.  
  120. extern _PTR pvalloc _PARAMS ((size_t));
  121. #ifdef __CYGWIN__
  122. #undef _pvalloc_r
  123. #define _pvalloc_r(r, s) pvalloc (s)
  124. #else
  125. extern _PTR _pvalloc_r _PARAMS ((struct _reent *, size_t));
  126. #endif
  127.  
  128. extern int malloc_trim _PARAMS ((size_t));
  129. #ifdef __CYGWIN__
  130. #undef _malloc_trim_r
  131. #define _malloc_trim_r(r, s) malloc_trim (s)
  132. #else
  133. extern int _malloc_trim_r _PARAMS ((struct _reent *, size_t));
  134. #endif
  135.  
  136. /* A compatibility routine for an earlier version of the allocator.  */
  137.  
  138. extern _VOID mstats _PARAMS ((char *));
  139. #ifdef __CYGWIN__
  140. #undef _mstats_r
  141. #define _mstats_r(r, p) mstats (p)
  142. #else
  143. extern _VOID _mstats_r _PARAMS ((struct _reent *, char *));
  144. #endif
  145.  
  146. /* SVID2/XPG mallopt options */
  147.  
  148. #define M_MXFAST  1    /* UNUSED in this malloc */
  149. #define M_NLBLKS  2    /* UNUSED in this malloc */
  150. #define M_GRAIN   3    /* UNUSED in this malloc */
  151. #define M_KEEP    4    /* UNUSED in this malloc */
  152.  
  153. /* mallopt options that actually do something */
  154.  
  155. #define M_TRIM_THRESHOLD    -1
  156. #define M_TOP_PAD           -2
  157. #define M_MMAP_THRESHOLD    -3
  158. #define M_MMAP_MAX          -4
  159.  
  160. #ifndef __CYGWIN__
  161. /* Some systems provide this, so do too for compatibility.  */
  162. extern void cfree _PARAMS ((_PTR));
  163. #endif /* __CYGWIN__ */
  164.  
  165. #ifdef __cplusplus
  166. }
  167. #endif
  168.  
  169. #endif /* _INCLUDE_MALLOC_H_ */
  170.