diff options
| -rw-r--r-- | project/headers.mk | 1 | ||||
| -rw-r--r-- | src/internal/slibtool_spawn_impl.h | 69 |
2 files changed, 70 insertions, 0 deletions
diff --git a/project/headers.mk b/project/headers.mk index 1a210ff..119055a 100644 --- a/project/headers.mk +++ b/project/headers.mk @@ -5,5 +5,6 @@ API_HEADERS = \ INTERNAL_HEADERS = \ $(PROJECT_DIR)/src/internal/argv/argv.h \ $(PROJECT_DIR)/src/internal/$(PACKAGE)_driver_impl.h \ + $(PROJECT_DIR)/src/internal/$(PACKAGE)_spawn_impl.h \ ALL_HEADERS = $(API_HEADERS) $(INTERNAL_HEADERS) diff --git a/src/internal/slibtool_spawn_impl.h b/src/internal/slibtool_spawn_impl.h new file mode 100644 index 0000000..b376ad8 --- /dev/null +++ b/src/internal/slibtool_spawn_impl.h @@ -0,0 +1,69 @@ +/*******************************************************************/ +/* slibtool: a skinny libtool implementation, written in C */ +/* Copyright (C) 2016 Z. Gilboa */ +/* Released under the Standard MIT License; see COPYING.SLIBTOOL. */ +/*******************************************************************/ + +#include <unistd.h> +#include <stdbool.h> +#include <sys/wait.h> + +#ifndef SLBT_USE_FORK +#ifndef SLBT_USE_VFORK +#ifndef SLBT_USE_POSIX_SPAWN +#define SLBT_USE_POSIX_SPAWN +#endif +#endif +#endif + +#ifdef SLBT_USE_POSIX_SPAWN +#include <spawn.h> +#endif + +extern char ** environ; + +static inline int slbt_spawn( + struct slbt_exec_ctx * ectx, + bool fwait) +{ + pid_t pid; + + +#ifdef SLBT_USE_POSIX_SPAWN + + if (posix_spawnp( + &pid, + ectx->program, + 0,0, + ectx->argv, + ectx->envp ? ectx->envp : environ)) + pid = -1; + +#else + +#ifdef SLBT_USE_FORK + pid = fork(); +#else + pid = vfork(); +#endif + +#endif + + if (pid < 0) + return -1; + + if (pid == 0) + return execvp( + ectx->program, + ectx->argv); + + ectx->pid = pid; + + if (fwait) + return waitpid( + pid, + &ectx->exitcode, + 0); + + return 0; +} |