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1 #include <iostream> |
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2 #include <unistd.h> |
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3 #include <sys/wait.h> |
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4 #include <spawn.h> |
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5 #include <cstring> |
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6 #include <string> |
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7 #include "process.h" |
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8 extern char** environ; // idk what this does |
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9 std::string spawn(char* const argv[]) |
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10 { |
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11 pid_t pid; |
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12 int status; |
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13 status = posix_spawnp(&pid, argv[0], NULL, NULL, const_cast<char* const*>(argv), environ); |
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14 if (status != 0) { |
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15 std::cerr << "posix_spawnp failed for " << argv[0] << ": " << strerror(status) << std::endl; |
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16 return "error"; |
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17 } |
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18 if (waitpid(pid, &status, 0) == -1) { |
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19 perror("waitpid"); |
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20 return "error"; |
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21 } |
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22 if (WIFEXITED(status)) { |
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23 return std::to_string(WEXITSTATUS(status)); |
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24 } |
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25 if (WIFSIGNALED(status)) { |
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26 return "sig:" + std::to_string(WTERMSIG(status)); |
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27 } |
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28 return "success"; |
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29 } |
