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6 .TH TNFCTL_CLOSE 3TNF "Mar 4, 1997"
8 tnfctl_close \- close a tnfctl handle
12 \fBcc\fR [ \fIflag\fR ... ] \fIfile\fR ... \fB-ltnfctl\fR [ \fIlibrary\fR ... ]
13 #include <tnf/tnfctl.h>
14 \fBtnfctl_errcode_t\fR \fBtnfctl_close\fR(\fBtnfctl_handle_t *\fR\fIhndl\fR,
15 \fBtnfctl_targ_op_t\fR \fIaction\fR);
21 \fBtnfctl_close()\fR is used to close a tnfctl handle and to free up the memory
22 associated with the handle. When the handle is closed, the tracing state and
23 the states of the probes are not changed. \fBtnfctl_close()\fR can be used to
24 close handles in any mode, that is, whether they were created by
25 \fBtnfctl_internal_open\fR(3TNF), \fBtnfctl_pid_open\fR(3TNF),
26 \fBtnfctl_exec_open\fR(3TNF), \fBtnfctl_indirect_open\fR(3TNF), or
27 \fBtnfctl_kernel_open\fR(3TNF).
30 The \fIaction\fR argument is only used in direct mode, that is, if \fIhndl\fR
31 was created by \fBtnfctl_exec_open\fR(3TNF) or \fBtnfctl_pid_open\fR(3TNF). In
32 direct mode, \fIaction\fR specifies whether the process will proceed, be
33 killed, or remain suspended. \fIaction\fR may have the following values:
37 \fB\fBTNFCTL_TARG_DEFAULT\fR\fR
40 Kills the target process if \fIhndl\fR was created with
41 \fBtnfctl_exec_open\fR(3TNF), but lets it continue if it was created with
42 \fBtnfctl_pid_open\fR(3TNF).
48 \fB\fBTNFCTL_TARG_KILL\fR\fR
51 Kills the target process.
57 \fB\fBTNFCTL_TARG_RESUME\fR\fR
60 Allows the target process to continue.
66 \fB\fBTNFCTL_TARG_SUSPEND\fR\fR
69 Leaves the target process suspended. This is not a job control suspend. It is
70 possible to attach to the process again with a debugger or with the
71 \fBtnfctl_pid_open\fR(3TNF) interface. The target process can also be
72 continued with \fBprun\fR(1).
78 \fBtnfctl_close()\fR returns \fBTNFCTL_ERR_NONE\fR upon success.
82 The following error codes apply to \fBtnfctl_close()\fR:
86 \fB\fBTNFCTL_ERR_BADARG\fR\fR
89 A bad argument was sent in \fIaction\fR.
95 \fB\fBTNFCTL_ERR_INTERNAL\fR\fR
98 An internal error occurred.
104 See \fBattributes\fR(5) for descriptions of the following attributes:
112 ATTRIBUTE TYPE ATTRIBUTE VALUE
120 \fBprex\fR(1), \fBprun\fR(1), \fBTNF_PROBE\fR(3TNF), \fBlibtnfctl\fR(3TNF),
121 \fBtnfctl_exec_open\fR(3TNF), \fBtnfctl_indirect_open\fR(3TNF),
122 \fBtnfctl_kernel_open\fR(3TNF), \fBtnfctl_pid_open\fR(3TNF),
123 \fBtracing\fR(3TNF), \fBattributes\fR(5)