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tests/unix_passfd: factor out sysctl(3) read into separate function

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This commit is contained in:
Gleb Smirnoff 2022-09-30 13:29:23 -07:00
parent 636420bde3
commit 0421ff5ab1
1 changed files with 19 additions and 12 deletions
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31
tests/sys/kern/unix_passfd_test.c
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@ -268,6 +268,24 @@ recvfd(int sockfd, int *recv_fd, int flags)
CMSG_SPACE(sizeof(int)), flags);
}
#if TEST_PROTO == SOCK_STREAM
#define LOCAL_SENDSPACE_SYSCTL "net.local.stream.sendspace"
#elif TEST_PROTO == SOCK_DGRAM
#define LOCAL_SENDSPACE_SYSCTL "net.local.dgram.maxdgram"
#endif
static u_long
getsendspace(void)
{
u_long sendspace;
ATF_REQUIRE_MSG(sysctlbyname(LOCAL_SENDSPACE_SYSCTL, &sendspace,
&(size_t){sizeof(u_long)}, NULL, 0) != -1,
"sysctl %s failed: %s", LOCAL_SENDSPACE_SYSCTL, strerror(errno));
return (sendspace);
}
/*
* Put a temporary file into a UNIX domain socket, then take it out and make
* sure it's the same file. First time around, don't close the reference
@ -530,12 +548,6 @@ ATF_TC_BODY(devfs_orphan, tc)
closesocketpair(fd);
}
#if TEST_PROTO == SOCK_STREAM
#define LOCAL_SENDSPACE_SYSCTL "net.local.stream.sendspace"
#elif TEST_PROTO == SOCK_DGRAM
#define LOCAL_SENDSPACE_SYSCTL "net.local.dgram.maxdgram"
#endif
/*
* Test for PR 181741. Receiver sets LOCAL_CREDS, and kernel prepends a
* control message to the data. Sender sends large payload using a non-blocking
@ -551,12 +563,7 @@ ATF_TC_BODY(rights_creds_payload, tc)
void *buf;
int fd[2], getfd, putfd, rc;
len = sizeof(sendspace);
rc = sysctlbyname(LOCAL_SENDSPACE_SYSCTL, &sendspace,
&len, NULL, 0);
ATF_REQUIRE_MSG(rc != -1,
"sysctl %s failed: %s", LOCAL_SENDSPACE_SYSCTL, strerror(errno));
sendspace = getsendspace();
buf = calloc(1, sendspace);
ATF_REQUIRE(buf != NULL);