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| -rw-r--r-- | src/sys/ptrace.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/sys/ptrace.rs b/src/sys/ptrace.rs index 8fb8f823..22c6f487 100644 --- a/src/sys/ptrace.rs +++ b/src/sys/ptrace.rs @@ -280,3 +280,17 @@ pub fn cont<T: Into<Option<Signal>>>(pid: Pid, sig: T) -> Result<()> { } } +/// Move the stopped tracee process forward by a single step as with +/// `ptrace(PTRACE_SINGLESTEP, ...)` +/// +/// Advances the execution of the process with PID `pid` by a single step optionally delivering a +/// single specified by `sig`. +pub fn step<T: Into<Option<Signal>>>(pid: Pid, sig: T) -> Result<()> { + let data = match sig.into() { + Some(s) => s as i32 as *mut c_void, + None => ptr::null_mut(), + }; + unsafe { + ptrace_other(Request::PTRACE_SINGLESTEP, pid, ptr::null_mut(), data).map(|_| ()) + } +} |