diff options
author | jimharris <jimharris@FreeBSD.org> | 2012-01-26 15:23:45 +0000 |
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committer | jimharris <jimharris@FreeBSD.org> | 2012-01-26 15:23:45 +0000 |
commit | bcd0e15cf642d6e5bf78ee585ad282b0e3061864 (patch) | |
tree | 4b7b6096856cdeb36fcba0adf3f4d121a52cce21 /lib/libc/arm/gen/getcontextx.c | |
parent | 0cf3f853641c2ededc243c9f2139ac6a0b681fe4 (diff) | |
parent | a479ceccdf3646c7bc3ff60796c765650b3ffc03 (diff) | |
download | FreeBSD-src-bcd0e15cf642d6e5bf78ee585ad282b0e3061864.zip FreeBSD-src-bcd0e15cf642d6e5bf78ee585ad282b0e3061864.tar.gz |
Rebase user/jimharris/isci branch from head.
Diffstat (limited to 'lib/libc/arm/gen/getcontextx.c')
-rw-r--r-- | lib/libc/arm/gen/getcontextx.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/libc/arm/gen/getcontextx.c b/lib/libc/arm/gen/getcontextx.c new file mode 100644 index 0000000..b701c18 --- /dev/null +++ b/lib/libc/arm/gen/getcontextx.c @@ -0,0 +1,69 @@ +/* + * Copyright (c) 2011 Konstantin Belousov <kib@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/types.h> +#include <sys/ucontext.h> +#include <errno.h> +#include <stdlib.h> + +size_t +__getcontextx_size(void) +{ + + return (sizeof(ucontext_t)); +} + +int +__fillcontextx(char *ctx) +{ + ucontext_t *ucp; + + ucp = (ucontext_t *)ctx; + return (getcontext(ucp)); +} + +__weak_reference(__getcontextx, getcontextx); + +ucontext_t * +__getcontextx(void) +{ + char *ctx; + int error; + + ctx = malloc(__getcontextx_size()); + if (ctx == NULL) + return (NULL); + if (__fillcontextx(ctx) == -1) { + error = errno; + free(ctx); + errno = error; + return (NULL); + } + return ((ucontext_t *)ctx); +} |