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| author | Corinna Vinschen <corinna@vinschen.de> | 2001-01-15 12:25:00 +0000 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2001-01-15 12:25:00 +0000 |
| commit | dc3651b6cd4546c653114ef635de091a3f7e5183 (patch) | |
| tree | e6307df9e244c5286055877c40eb465477ce1b7b /winsup/cygwin | |
| parent | 4cf2c0e0cb47b03d1cc5a9fedb5d6a9f628cd91e (diff) | |
| download | newlib-dc3651b6cd4546c653114ef635de091a3f7e5183.zip newlib-dc3651b6cd4546c653114ef635de091a3f7e5183.tar.gz newlib-dc3651b6cd4546c653114ef635de091a3f7e5183.tar.bz2 | |
* syscalls.cc (getpagesize): Save pagesize in global variable to
avoid calling GetSystemInfo too often.
* heap.cc (getpagesize): Eliminate.
(heap_init): Use getpagesize function from syscalls.cc.
Diffstat (limited to 'winsup/cygwin')
| -rw-r--r-- | winsup/cygwin/ChangeLog | 7 | ||||
| -rw-r--r-- | winsup/cygwin/heap.cc | 11 | ||||
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 9 |
3 files changed, 18 insertions, 9 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index 673cd0a..f236f11 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,10 @@ +Mon Jan 15 12:48:00 2001 Corinna Vinschen <corinna@vinschen.de> + + * syscalls.cc (getpagesize): Save pagesize in global variable to + avoid calling GetSystemInfo too often. + * heap.cc (getpagesize): Eliminate. + (heap_init): Use getpagesize function from syscalls.cc. + Mon Jan 15 11:56:00 2001 Corinna Vinschen <corinna@vinschen.de> * sysconf.cc (sysconf): return `getpagesize ()' on _SC_PAGESIZE diff --git a/winsup/cygwin/heap.cc b/winsup/cygwin/heap.cc index db3edb0..d2934f2 100644 --- a/winsup/cygwin/heap.cc +++ b/winsup/cygwin/heap.cc @@ -21,14 +21,6 @@ details. */ static unsigned page_const = 0; -static __inline__ int -getpagesize(void) -{ - SYSTEM_INFO si; - GetSystemInfo(&si); - return (int)si.dwPageSize; -} - /* Initialize the heap at process start up. */ void @@ -37,7 +29,8 @@ heap_init () /* If we're the forkee, we must allocate the heap at exactly the same place as our parent. If not, we don't care where it ends up. */ - page_const = getpagesize(); + extern size_t getpagesize (); + page_const = getpagesize (); if (brkbase) { DWORD chunk = brkchunk; /* allocation chunk */ diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 0e6b631..df51038 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -1353,10 +1353,19 @@ getdtablesize () return fdtab.size; } +static DWORD sys_page_size = 0; + extern "C" size_t getpagesize () { return sysconf (_SC_PAGESIZE); + if (!sys_page_size) + { + SYSTEM_INFO si; + GetSystemInfo(&si); + sys_page_size = si.dwPageSize; + } + return (int)sys_page_size; } /* FIXME: not all values are correct... */ |