syscall.sh / riscv64 / flock
flock
apply or remove an advisory lock on an open file
sys_flock(unsigned int fd, unsigned int cmd)| number | 32 (0x20) |
|---|---|
| abi | common |
| entry point | sys_flock |
| since | Linux 4.15 |
| man page | flock(2) |
| source | elixir.bootlin.com |
Registers
| register | value |
|---|---|
a7 | 32, the syscall number |
a0 | unsigned int fd |
a1 | unsigned int cmd |
a0 | the return value |
Then run ecall to enter the kernel.
Same syscall on other architectures
- x64 73
- x86 143
- arm64 32
- arm 143
- x32 1073741897
- loongarch64 32
- ppc64 143
- ppc 143
- s390x 143
- mips64 5071
- mipsn32 6071
- mipso32 4143
- alpha 131
- arc 32
- csky 32
- hexagon 32
- m68k 143
- microblaze 143
- nios2 32
- openrisc 32
- parisc 143
- sh 143
- sparc 131
- sparc64 131
- xtensa 56
Get this as JSON: https://api.syscall.sh/v2/syscalls/riscv64/flock