pub unsafe fn syscall1(sysno: Sysno, arg0: usize) -> Result<usize, Errno>Available on (Linux or Android) and (x86-64 and little-endian and 64-bit, or AArch64 and 64-bit, or ARM and 32-bit, or x86 and little-endian and 32-bit), or Linux and (x86-64 and little-endian and 32-bit, or RISC-V RV64 and little-endian and 64-bit, or RISC-V RV32 and little-endian and 32-bit, or MIPS and 32-bit, or MIPS-64 and 64-bit, or s390x and big-endian and 64-bit, or LoongArch LA64 and little-endian and 64-bit, or PowerPC and big-endian and 32-bit, or PowerPC-64 and 64-bit) only.
Expand description
Make a raw system call with 1 argument.
Returns a Result<usize, Errno>.
§Safety
A system call is unsafe by definition. It’s the caller’s responsibility to ensure safety.