Top "Waitpid" questions

Example of waitpid() in use?

I know that waitpid() is used to wait for a process to finish, but how would one use it exactly? …

c fork parent-child waitpid

waitpid, wnohang, wuntraced. How do I use these

I am a bit confused. As I understand, waitpid with a pid of -1 means that I wait for all …

c posix waitpid

Using waitpid to run process in background?

I am trying to mimic the bash feature of running process in the background if "&" is found at the …

c process waitpid

waitpid - WIFEXITED returning 0 although child exited normally

I have been writing a program that spawns a child process, and calls waitpid to wait for the termination of …

c fork waitpid execv

Why does wait() set status to 255 instead of the -1 exit status of the forked process?

I'm trying to return an integer value from a child process. However, if I use exit(1) I get 256 as the …

c posix exit waitpid

Test cases in C for WIFSIGNALED, WIFSTOPPED, WIFCONTINUED

I'm playing with waitpid() and signal() and I'm looking for reliable test cases for returning WIFSIGNALED(status) = WIFSTOPPED(status) = WIFCONTINUED (…

c signals waitpid

waitpid with execl used in child returns -1 with ECHILD?

When do I need to use waitpid if I am using execl in a child process which may take time …

c linux fork waitpid os.execl

Return code when OOM killer kills a process

I am running a multiprogrammed workload (based on SPEC CPU2006 benchmarks) on a POWER7 system using SUSE SLES 11. Sometimes, each …

linux out-of-memory waitpid return-code

Linux, waitpid, WNOHANG and zombies

I need to be able to: fork a process and make it execvp (I did that) check if the child …

c++ c fork wait waitpid

Determine pid of terminated process

I'm trying to figure out what the pid is of a process that sent the SIGCHLD signal, and I want …

c signals waitpid