diff options
Diffstat (limited to 'libc/src/unistd/linux/setsid.cpp')
| -rw-r--r-- | libc/src/unistd/linux/setsid.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/libc/src/unistd/linux/setsid.cpp b/libc/src/unistd/linux/setsid.cpp index df4629bb326c..b1a265c9a01d 100644 --- a/libc/src/unistd/linux/setsid.cpp +++ b/libc/src/unistd/linux/setsid.cpp @@ -11,6 +11,7 @@ #include "hdr/types/pid_t.h" #include "src/__support/OSUtil/syscall.h" // For internal syscall function. #include "src/__support/common.h" +#include "src/__support/libc_errno.h" #include "src/__support/macros/config.h" #include <sys/syscall.h> // For syscall numbers. @@ -18,7 +19,12 @@ namespace LIBC_NAMESPACE_DECL { LLVM_LIBC_FUNCTION(pid_t, setsid, ()) { - return LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_setsid); + pid_t ret = LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_setsid); + if (ret < 0) { + libc_errno = static_cast<int>(-ret); + return -1; + } + return ret; } } // namespace LIBC_NAMESPACE_DECL |