Lines Matching refs:sbrk
130 This malloc can use unix sbrk or any emulation (invoked using
351 True if this system supports sbrk or an emulation of it.
353 MORECORE default: sbrk
354 The name of the sbrk-style system routine to call to obtain more
356 functions. The type of the argument to sbrk/MORECORE varies across
367 addresses. This is true of unix sbrk. It does not hurt too much to
467 trimming via sbrk can be slow on some systems, and can sometimes be
598 /* Mac OSX docs advise not to use sbrk; it seems better to use mmap */
695 #define MORECORE_DEFAULT sbrk
1235 to sbrk) if there is unused memory at the `high' end of the malloc
1257 via sbrk and mmap), the maximum amount (which may be more than
1268 (normally sbrk) outside of malloc.
1518 #include <unistd.h> /* for sbrk, sysconf */
1521 extern void* sbrk(ptrdiff_t);
4132 sbrk cannot contiguously expand the heap, but mmap may be able to
4145 size_t ssize = asize; /* sbrk call size */
6176 * Better handling of sbrk interference.
6191 * Use segments to unify sbrk-based and mmap-based system allocation,
6192 removing need for emulation on most platforms without sbrk.
6225 * new WIN32 sbrk, mmap, munmap, lock code from <Walter@GeNeSys-e.de>.
6235 * Use mmap as backup to sbrk
6256 * Improve WIN32 'sbrk()' emulation's 'findRegion()' routine to
6266 * Added anonymously donated WIN32 sbrk emulation
6283 avoid surprises about sbrk alignment conventions.
6287 * More precautions for cases where other routines call sbrk,