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Per POSIX, execvp() is not safe to call in a child process forked from a multi-threaded process. We can now replace the execvp() call in the child process with a call to our fork-safe (async-signal-safe) variant. Prepare our internal execvpe context on the parent's construction path, use the context in the child, and release the context in the parent on the way out, regardless of whether the

On Wed, Feb 15, 2023 at 03:11:34PM +0100, Laszlo Ersek wrote: > The "name##_iter" function is used 11 times in libnbd; in all those cases, > "name" is "string_vector", and the "f" callback is "free": > > string_vector_iter (..., (void *) free); > > Casting "free" to (void*) is ugly. (Well-defined by POSIX, but

V3 was here: <http://mid.mail-archive.com/20230215141158.2426855-1-lersek at redhat.com>. See the Notes section on each patch for the v4 updates. The series is nearly ready for merging: every patch has at least one R-b tag, except "socket activation: avoid manipulating the sign bit". The series builds, and passes "make check" and "make check-valgrind", at

This is version 4 of the following sub-series: [libnbd PATCH v3 09/29] lib/utils: introduce async-signal-safe execvpe() [libnbd PATCH v3 10/29] lib/utils: add unit tests for async-signal-safe execvpe() http://mid.mail-archive.com/20230215141158.2426855-10-lersek at redhat.com http://mid.mail-archive.com/20230215141158.2426855-11-lersek at redhat.com The Notes section on each patch records the

V4 was here (incorrectly versioned on the mailing list as v3): <http://mid.mail-archive.com/20230323121016.1442655-1-lersek at redhat.com>. See the Notes section on each patch for the v5 updates. Laszlo Ersek (2): socket activation: generalize environment construction socket activation: set LISTEN_FDNAMES Richard W.M. Jones (2): common/include: Copy ascii-ctype functions from nbdkit