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commit cb44289ee3fd1482d3b8551d2e3b4568eb57e114
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Author: Dmitry V. Levin <ldv@altlinux.org>
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Date: Tue Jul 26 10:20:24 2016 +0000
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tests: fix vhangup.test
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* tests/vhangup.c (main): Fix expected output for the case when
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the calling process has CAP_SYS_TTY_CONFIG capability.
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Reported-by: Yun-Chih Chen <b03902074@ntu.edu.tw>
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diff --git a/tests/vhangup.c b/tests/vhangup.c
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index ba90319..468f334 100644
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--- a/tests/vhangup.c
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+++ b/tests/vhangup.c
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@@ -13,7 +13,18 @@ main(void)
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perror_msg_and_skip("setsid");
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long rc = syscall(__NR_vhangup);
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- printf("vhangup() = %ld %s (%m)\n", rc, errno2name());
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+
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+ /*
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+ * On setsid() success, the new session has no controlling terminal,
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+ * therefore a subsequent vhangup() has nothing to hangup.
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+ *
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+ * The system call, however, returns 0 iff the calling process
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+ * has CAP_SYS_TTY_CONFIG capability.
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+ */
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+ if (rc)
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+ printf("vhangup() = %ld %s (%m)\n", rc, errno2name());
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+ else
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+ puts("vhangup() = 0");
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puts("+++ exited with 0 +++");
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return 0;
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diff --git a/tests/vhangup.c b/tests/vhangup.c
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index ba90319..468f334 100644
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--- a/tests-m32/vhangup.c
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+++ b/tests-m32/vhangup.c
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@@ -13,7 +13,18 @@ main(void)
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perror_msg_and_skip("setsid");
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long rc = syscall(__NR_vhangup);
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- printf("vhangup() = %ld %s (%m)\n", rc, errno2name());
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+
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+ /*
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+ * On setsid() success, the new session has no controlling terminal,
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+ * therefore a subsequent vhangup() has nothing to hangup.
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+ *
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+ * The system call, however, returns 0 iff the calling process
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+ * has CAP_SYS_TTY_CONFIG capability.
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+ */
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+ if (rc)
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+ printf("vhangup() = %ld %s (%m)\n", rc, errno2name());
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+ else
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+ puts("vhangup() = 0");
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puts("+++ exited with 0 +++");
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return 0;
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