syscall.sh / x86 / sigprocmask
sigprocmask
examine and change blocked signals
sys_sigprocmask(int how, old_sigset_t *nset, old_sigset_t *oset)| number | 126 (0x7e) |
|---|---|
| abi | i386 |
| entry point | sys_sigprocmask |
| since | Linux 3.3 |
| man page | sigprocmask(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
eax | 126, the syscall number |
ebx | int how |
ecx | old_sigset_t *nset |
edx | old_sigset_t *oset |
eax | the return value |
Then run int 0x80 to enter the kernel.
Same syscall on other architectures
- arm 126
- ppc 126
- s390x 126
- mipso32 4126
- m68k 126
- microblaze 126
- parisc 126
- sh 126
- sparc 220
- sparc64 220
Get this as JSON: https://api.syscall.sh/v2/syscalls/x86/sigprocmask