swapcontext1: test for getcontext(3) and swapcontext(3) success properly
The beforementioned libcalls both succeed if the return codes aren't -1 MFC after: 3 days Reported by: Coverity CID: 976790, 976791
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=311269
@ -30,6 +30,8 @@ __RCSID("$NetBSD");
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#ifdef __FreeBSD__
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#include <sys/types.h>
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#include <errno.h>
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#include <string.h>
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#endif
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#include <pthread.h>
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#include <ucontext.h>
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@ -80,7 +82,12 @@ threadfunc(void *arg)
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oself = (void *)pthread_self();
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printf("before swapcontext self = %p\n", oself);
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#ifdef __FreeBSD__
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ATF_REQUIRE_MSG(swapcontext(&octx, &nctx) != -1, "swapcontext failed: %s",
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strerror(errno));
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#else
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PTHREAD_REQUIRE(swapcontext(&octx, &nctx));
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#endif
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/* NOTREACHED */
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return NULL;
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@ -111,7 +118,12 @@ ATF_TC_BODY(swapcontext1, tc)
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printf("Testing if swapcontext() alters pthread_self()\n");
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#ifdef __FreeBSD__
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ATF_REQUIRE_MSG(getcontext(&nctx) != -1, "getcontext failed: %s",
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strerror(errno));
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#else
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PTHREAD_REQUIRE(getcontext(&nctx));
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#endif
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PTHREAD_REQUIRE(pthread_create(&thread, NULL, threadfunc, NULL));
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PTHREAD_REQUIRE(pthread_join(thread, NULL));
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}
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