Created
August 4, 2024 18:17
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Test to see if FD_CLOFORK persists across exec calls on Solaris 11.4
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| #include <sys/types.h> | |
| #include <sys/stat.h> | |
| #include <fcntl.h> | |
| #include <stdio.h> | |
| #include <unistd.h> | |
| int main(void) { | |
| int fd; | |
| char pidbuf[16]; | |
| fd = open("/etc/motd", O_RDONLY | O_CLOFORK); | |
| snprintf(pidbuf, sizeof(pidbuf), "%ld", getpid()); | |
| execl("/usr/bin/pfiles", "pfiles", pidbuf, NULL); | |
| } |
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| 23872: pfiles 23872 | |
| Current rlimit: 4095 file descriptors | |
| Current umask: 022 | |
| 0: S_IFCHR mode:0620 dev:16377,0 ino:65866307 uid:50758 gid:7 rdev:151,13 | |
| O_RDWR|O_LARGEFILE | |
| /dev/pts/13 | |
| 1: S_IFCHR mode:0620 dev:16377,0 ino:65866307 uid:50758 gid:7 rdev:151,13 | |
| O_RDWR|O_LARGEFILE | |
| /dev/pts/13 | |
| 2: S_IFCHR mode:0620 dev:16377,0 ino:65866307 uid:50758 gid:7 rdev:151,13 | |
| O_RDWR|O_LARGEFILE | |
| /dev/pts/13 | |
| 3: S_IFREG mode:0644 dev:231,65538 ino:691743 uid:0 gid:0 size:0 | |
| O_RDONLY FD_CLOFORK | |
| /etc/motd | |
| offset:0 | |
| 4: S_IFDIR mode:0500 dev:16380,0 ino:14508 uid:50758 gid:10 size:4112 | |
| O_RDONLY|O_NDELAY|O_LARGEFILE FD_CLOEXEC | |
| /proc/23872/fdinfo | |
| offset:112 |
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