execv.md

Syscall execv

User Mode

#include <unistd.h>
int32_t execv(const char *pathname, char *argv[]);

Execute program at pathname replacing the currently running process. argv is a NULL terminated array of program parameters, argv[0] contains the programs name by convention.

Note: The open file descriptors stay the same.

Returns:

• -1 on error (e.g. file to execute not found)
• won't return on success

Kernel Mode

Implemented in sys_process.c as sys_execv().

See also

Overview: syscalls

Process Control Syscalls: fork | execv | exit | kill | ms_sleep | wait | chdir | sbrk