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| author | David Thompson <dthompson2@worcester.edu> | 2015-09-05 13:36:53 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2015-09-05 13:42:02 -0400 |
| commit | cf897cbacc3ddcf5d5d553ee19002995985fff11 (patch) | |
| tree | 8deca6bd9b81b35b9f1ea201f7a46284b6a30b74 | |
| parent | b7d0b096b063eccb51f01efeaa0eeb06561c2e84 (diff) | |
| download | gnu-guix-cf897cbacc3ddcf5d5d553ee19002995985fff11.tar gnu-guix-cf897cbacc3ddcf5d5d553ee19002995985fff11.tar.gz | |
build: syscalls: Properly handle clone errors.
* guix/build/syscalls.scm (clone): Catch -1 return value and throw error.
| -rw-r--r-- | guix/build/syscalls.scm | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/guix/build/syscalls.scm b/guix/build/syscalls.scm index fc801a5e9d..093eb0a1a0 100644 --- a/guix/build/syscalls.scm +++ b/guix/build/syscalls.scm @@ -325,7 +325,13 @@ string TMPL and return its file name. TMPL must end with 'XXXXXX'." "Create a new child process by duplicating the current parent process. Unlike the fork system call, clone accepts FLAGS that specify which resources are shared between the parent and child processes." - (proc syscall-id flags %null-pointer)))) + (let ((ret (proc syscall-id flags %null-pointer)) + (err (errno))) + (if (= ret -1) + (throw 'system-error "clone" "~d: ~A" + (list flags (strerror err)) + (list err)) + ret))))) (define setns ;; Some systems may be using an old (pre-2.14) version of glibc where there |