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https://github.com/checkpoint-restore/criu.git
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5364ca3da4
gcc -O2 -g -Wall -Werror -I ../../../compel/include/uapi -o spy spy.c ../../../compel/libcompel.a
spy.c: In function ‘check_pipe_ends’:
spy.c:107:2: error: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Werror=unused-result]
107 | write(wfd, "1", 2);
| ^~~~~~~~~~~~~~~~~~
spy.c:108:2: error: ignoring return value of ‘read’, declared with attribute warn_unused_result [-Werror=unused-result]
108 | read(rfd, aux, sizeof(aux));
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
17 lines
219 B
C
17 lines
219 B
C
#include <unistd.h>
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int main(int argc, char **argv)
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{
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int i;
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while (1) {
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if (read(0, &i, sizeof(i)) != sizeof(i))
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break;
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i = getsid(0);
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if (write(1, &i, sizeof(i)) != sizeof(i))
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break;
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}
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return 0;
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}
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