43 lines
715 B
C
43 lines
715 B
C
#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int main(int argc, char *argv[])
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{
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int pid = atoi(argv[1]);
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int sfd;
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char sname[32];
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char buf[1024];
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char *s;
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int i;
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int signal, blocked, ignore, caught;
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sprintf(sname, "/proc/%d/stat", pid);
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sfd = open(sname, O_RDONLY);
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if (sfd == -1) {
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perror(sname);
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return 1;
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}
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i = read(sfd, buf, 1024);
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buf[i] = '\0';
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for (i = 0, s = buf; i < 30; i++) {
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while (*++s != ' ') {
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if (!*s)
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break;
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}
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}
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if (sscanf(s, "%d%d%d%d", &signal, &blocked, &ignore, &caught) != 4) {
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fprintf(stderr, "/proc/pid/stat format error\n");
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return 1;
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}
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printf("%8x %8x %8x %8x\n", signal, blocked, ignore, caught);
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return 0;
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}
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