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| author | Ivan Maidanski <ivmai@mail.ru> | 2022-04-11 08:31:01 +0300 |
|---|---|---|
| committer | Ivan Maidanski <ivmai@mail.ru> | 2022-04-11 20:59:49 +0300 |
| commit | c53e2ed95352a85bc3255883e5e5287c31a4b02a (patch) | |
| tree | f1eab2e6a0534cac760783f129435f55e07d4148 /mach_dep.c | |
| parent | b3af80d5f6f2f41ba57659f72d667b003a3274bd (diff) | |
| download | bdwgc-c53e2ed95352a85bc3255883e5e5287c31a4b02a.tar.gz | |
Document GC_with_callee_saves_pushed better
* mach_dep.c (GC_with_callee_saves_pushed): Add comment that it could
be called with or without GC lock, or even from a signal handler.
Diffstat (limited to 'mach_dep.c')
| -rw-r--r-- | mach_dep.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -343,6 +343,8 @@ /* Ensure that either registers are pushed, or callee-save registers */ /* are somewhere on the stack, and then call fn(arg, ctxt). */ /* ctxt is either a pointer to a ucontext_t we generated, or NULL. */ +/* Could be called with or w/o the GC lock held; could be called from */ +/* a signal handler as well. */ GC_ATTR_NO_SANITIZE_ADDR GC_INNER void GC_with_callee_saves_pushed(void (*fn)(ptr_t, void *), volatile ptr_t arg) |