mirror of
https://github.com/Zenithsiz/ftmemsim-valgrind.git
synced 2026-02-03 10:05:29 +00:00
39914e513d
While doing so, fixed bug #93328, by using the right sized types in sigprocmask(), and converting them as necessary. Added a regression test for it too. (partly) MERGE TO STABLE git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3013
48 lines
943 B
C
48 lines
943 B
C
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#include <signal.h>
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#include <stdio.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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// Reg test for bug #93328: we were using too-big sigset types, and thus
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// trashing memory when we wrote out the 'oldset' param from sigprocmask().
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int main(void)
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{
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int x[6], *s, *os, i;
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x[0] = 0x11111111;
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x[1] = 0x89abcdef;
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x[2] = 0x22222222;
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x[3] = 0x33333333;
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x[4] = 0x0;
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x[5] = 0x44444444;
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s = &x[1];
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os = &x[4];
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fprintf(stderr, "before\n");
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for (i = 0; i < 6; i++) {
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fprintf(stderr, "%x ", x[i]);
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}
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fprintf(stderr, "\n");
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syscall(__NR_sigprocmask, SIG_BLOCK, s, os);
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fprintf(stderr, "after1\n");
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for (i = 0; i < 6; i++) {
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fprintf(stderr, "%x ", x[i]);
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}
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fprintf(stderr, "\n");
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syscall(__NR_sigprocmask, SIG_BLOCK, s, os);
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fprintf(stderr, "after2\n");
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for (i = 0; i < 6; i++) {
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fprintf(stderr, "%x ", x[i]);
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}
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fprintf(stderr, "\n");
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return(0);
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}
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