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| author | Jack Jansen <jack.jansen@cwi.nl> | 2000-08-25 21:57:23 (GMT) |
|---|---|---|
| committer | Jack Jansen <jack.jansen@cwi.nl> | 2000-08-25 21:57:23 (GMT) |
| commit | 14a9171cffd8a2a675e07b90b519c67da35326d6 (patch) | |
| tree | 4e1f1c0a41901a526938e0ee5bedd3d8c56c6502 /Mac | |
| parent | a1a4b5916b08b24ac0f326949f6d0a0a3cedb963 (diff) | |
| download | cpython-14a9171cffd8a2a675e07b90b519c67da35326d6.zip cpython-14a9171cffd8a2a675e07b90b519c67da35326d6.tar.gz cpython-14a9171cffd8a2a675e07b90b519c67da35326d6.tar.bz2 | |
Cheaper implementation of PyOS_CheckStack: only call StackSpace once and keep a sentinel in a static variable.
Diffstat (limited to 'Mac')
| -rw-r--r-- | Mac/Python/macglue.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Mac/Python/macglue.c b/Mac/Python/macglue.c index 8b3d6e1..240fc01 100644 --- a/Mac/Python/macglue.c +++ b/Mac/Python/macglue.c @@ -410,10 +410,13 @@ PyMac_Error(OSErr err) int PyOS_CheckStack() { - long left; + char here; + static char *sentinel = 0; - left = StackSpace(); - if ( left < MINIMUM_STACK_SIZE ) + if ( sentinel == 0 ) { + sentinel = &here - StackSpace() + MINIMUM_STACK_SIZE; + } + if ( &here < sentinel ) return -1; return 0; } |