waitpid on ia32
wait for process to change state
sys_waitpid(pid_t pid, int *stat_addr, int options)| number | 7 (0x7) |
|---|---|
| abi | i386 |
| entry point | sys_waitpid |
| since | Linux 3.3 or earlier (3.3 is the first release scanned for ia32) |
| man page | waitpid(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
eax | 7, the syscall number |
ebx | pid_t pid |
ecx | int *stat_addr |
edx | int options |
eax | the return value |
Then run int 0x80 to enter the kernel.
This compat ABI is only available when the kernel is built with CONFIG_IA32_EMULATION.
Same syscall on other architectures
Get this as JSON: https://api.syscall.sh/v2/syscalls/ia32/waitpid