...for traced children which have stopped is provided even if this option is not specified. WCONTINUED (since Linux 2.6.10) also return if a stopped child has been resumed by deliv…...for traced children which have stopped is provided even if this option is not specified. WCONTINUED (since Linux 2.6.10) also return if a stopped child has been resumed by deliv…...for traced children which have stopped is provided even if this option is not specified. WCONTINUED (since Linux 2.6.10) also return if a stopped child has been resumed by deliv…...ied as anything other than SIGCHLD , then the parent process must specify the __WALL or __WCLONE options when waiting for the child with wait (2). If no signal (i.e., zero) is s…...ied as anything other than SIGCHLD , then the parent process must specify the __WALL or __WCLONE options when waiting for the child with wait (2). If no signal (i.e., zero) is s…...ied as anything other than SIGCHLD , then the parent process must specify the __WALL or __WCLONE options when waiting for the child with wait (2). If no signal (i.e., zero) is s…process trace NAME ptrace - process trace LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/ptrace.h> long ptrace(enum __ptrace_request op , pid_t pid , void * addr …