syscall.sh / sh / sigprocmask
sigprocmask
examine and change blocked signals
sys_sigprocmask(int how, old_sigset_t *nset, old_sigset_t *oset)| number | 126 (0x7e) |
|---|---|
| abi | common |
| entry point | sys_sigprocmask |
| since | Linux 5.0 |
| man page | sigprocmask(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
r3 | 126, the syscall number |
r4 | int how |
r5 | old_sigset_t *nset |
r6 | old_sigset_t *oset |
r0 | the return value |
Then run trapa #31 to enter the kernel.
Same syscall on other architectures
- x86 126
- arm 126
- ppc 126
- s390x 126
- mipso32 4126
- m68k 126
- microblaze 126
- parisc 126
- sparc 220
- sparc64 220
Get this as JSON: https://api.syscall.sh/v2/syscalls/sh/sigprocmask