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* Copyright 2015, Google Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <grpc/support/port_platform.h>
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#ifdef GPR_POSIX_SUBPROCESS
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#include <grpc/support/subprocess.h>
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#include <sys/types.h>
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#include <grpc/support/alloc.h>
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#include <grpc/support/log.h>
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struct gpr_subprocess {
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const char *gpr_subprocess_binary_extension() { return ""; }
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gpr_subprocess *gpr_subprocess_create(int argc, const char **argv) {
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} else if (pid == 0) {
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exec_args = gpr_malloc(((size_t)argc + 1) * sizeof(char *));
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memcpy(exec_args, argv, (size_t)argc * sizeof(char *));
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exec_args[argc] = NULL;
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execv(exec_args[0], exec_args);
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/* if we reach here, an error has occurred */
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gpr_log(GPR_ERROR, "execv '%s' failed: %s", exec_args[0], strerror(errno));
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r = gpr_malloc(sizeof(gpr_subprocess));
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memset(r, 0, sizeof(*r));
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void gpr_subprocess_destroy(gpr_subprocess *p) {
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kill(p->pid, SIGKILL);
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gpr_subprocess_join(p);
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int gpr_subprocess_join(gpr_subprocess *p) {
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if (waitpid(p->pid, &status, 0) == -1) {
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gpr_log(GPR_ERROR, "waitpid failed: %s", strerror(errno));
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void gpr_subprocess_interrupt(gpr_subprocess *p) {
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kill(p->pid, SIGINT);
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#endif /* GPR_POSIX_SUBPROCESS */