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| author | phantom <phantom@FreeBSD.org> | 2003-02-03 10:08:45 +0000 |
|---|---|---|
| committer | phantom <phantom@FreeBSD.org> | 2003-02-03 10:08:45 +0000 |
| commit | 263e2476e49a1922267fc32e3a903c3825035049 (patch) | |
| tree | b2102f390b02be7c6ec90403e5b950753ef3e7de | |
| parent | 2f3f171cbe1c151b0e4713cf0cb986c6cdfe87fb (diff) | |
| download | FreeBSD-src-263e2476e49a1922267fc32e3a903c3825035049.zip FreeBSD-src-263e2476e49a1922267fc32e3a903c3825035049.tar.gz | |
Improve pthread_attr_get_np() by enabling it to return thread's real stack
address instead of specified by pthread_attr_t passed to pthread_create().
Suggested by: deischen
| -rw-r--r-- | lib/libc_r/uthread/uthread_attr_get_np.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libc_r/uthread/uthread_attr_get_np.c b/lib/libc_r/uthread/uthread_attr_get_np.c index a427f79..ba6fd19 100644 --- a/lib/libc_r/uthread/uthread_attr_get_np.c +++ b/lib/libc_r/uthread/uthread_attr_get_np.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2002 Alexey Zelkin <phantom@FreeBSD.org> + * Copyright (c) 2002,2003 Alexey Zelkin <phantom@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -45,5 +45,13 @@ _pthread_attr_get_np(pthread_t pid, pthread_attr_t *dst) return (ret); memcpy(*dst, &pid->attr, sizeof(struct pthread_attr)); + + /* + * Special case, if stack address was not provided by caller + * of pthread_create(), then return address allocated internally + */ + if ((*dst)->stackaddr_attr == NULL) + (*dst)->stackaddr_attr = pid->stack; + return (0); } |
