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32 .Nd locate a process by number
37 .Fn pget "pid_t pid" "int flags" "struct proc **pp"
43 which can be either a process or thread id,
44 and fills a pointer to the
48 In the latter case, a process owning the specified thread is looked for.
49 The operation is performed by invoking the
52 The found process is returned locked.
55 case, it is returned unlocked (but held).
59 perform additional manipulations, depending on a
65 argument is the logical OR of some subset of:
66 .Bl -tag -width ".Dv PGET_NOTINEXEC"
68 If set, the found process will be held and unlocked.
70 If set, the found process will be checked for its visibility.
74 If set, the found process will be checked for its debuggability.
78 If set, the found process will be checked that it matches the current
81 If set, the found process will be checked that it does not have the process
86 If set, the found process will be checked that it does not have the process
93 is not assumed as a thread id for values larger than
96 If set, the found process will be checked that the caller may get
97 a read access to its structure.
99 .Pq Dv PGET_HOLD | PGET_CANDEBUG | PGET_NOTWEXIT .
102 If the process is found in the specified way, then zero is returned,
103 otherwise an appropriate error code is returned.