On 19-12-07 11:45, Santosh Pradhan wrote:
I am new to this group. I am not sure whether this is the right place to ask this kind of question. Here is my doubt.
It's fine here, although it might be the case that you don't actually get an answer from here. At least I seem to not know the answer. Just thought I'd mention though that "strace ./sample >foo" is already enough to have the sleep and write switch places, no shell script necessary.
I also very much expect there's nothing that guarantees one way or the other but not withstanding that, I agree you'd not expect to see it happen.
Leaving in enough context:
I wrote a simple C program. #include<stdio.h> #include<unistd.h> int main() { printf("Hello, World\n"); sleep(10); }if i compile this program using "gcc sample.c -o sample" and run this using 'strace',case 1) run as fg process using "strace ./sample" in command prompt write(1, "Hello, World\n", 13Hello, World) = 13 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 rt_sigaction(SIGCHLD, NULL, {SIG_DFL}, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 nanosleep({10, 0}, {10, 0}) = 0
... but with "strace ./sample.c >foo", the write and sleep (sequence) switch places.
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