Casting pid to ::pid_t when invoking syscall.
Summary:
syscalls involving pid/tid on 32 bit binaries are failing with
"Invalid argument" because the uint64_t arguments are too wide.
Reviewers: clayborg, ovyalov, sivachandra
Subscribers: lldb-commits
Differential Revision: http://reviews.llvm.org/D7963
llvm-svn: 230817
diff --git a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
index 61d498f..198addd 100644
--- a/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
+++ b/lldb/source/Plugins/Process/Linux/NativeProcessLinux.cpp
@@ -123,7 +123,8 @@
// Try to define a macro to encapsulate the tgkill syscall
// fall back on kill() if tgkill isn't available
-#define tgkill(pid, tid, sig) syscall(SYS_tgkill, pid, tid, sig)
+#define tgkill(pid, tid, sig) \
+ syscall(SYS_tgkill, static_cast<::pid_t>(pid), static_cast<::pid_t>(tid), sig)
// We disable the tracing of ptrace calls for integration builds to
// avoid the additional indirection and checks.